20408489532

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{283}}^1$

素因数の和:541

約数の個数: 216

約数和(自身を含む): 56716208640

約数和(自身を除く): 36307719108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 179, 186, 228, 279, 283, 342, 358, 361, 372, 537, 558, 566, 589, 684, 716, 722, 849, 1074, 1083, 1116, 1132, 1178, 1444, 1611, 1698, 1767, 2148, 2166, 2356, 2547, 3222, 3249, 3396, 3401, 3534, 4332, 5094, 5301, 5377, 5549, 6444, 6498, 6802, 7068, 8773, 10188, 10203, 10602, 10754, 11098, 11191, 12996, 13604, 16131, 16647, 17546, 20406, 21204, 21508, 22196, 22382, 26319, 30609, 32262, 33294, 33573, 35092, 40812, 44764, 48393, 49941, 50657, 52638, 61218, 64524, 64619, 66588, 67146, 78957, 96786, 99882, 100719, 101314, 102163, 105276, 105431, 122436, 129238, 134292, 151971, 157914, 166687, 193572, 193857, 199764, 201438, 202628, 204326, 210862, 258476, 303942, 306489, 315828, 316293, 333374, 387714, 402876, 408652, 421724, 455913, 500061, 581571, 607884, 612978, 632586, 666748, 775428, 911826, 919467, 948879, 962483, 1000122, 1163142, 1225956, 1265172, 1500183, 1570367, 1823652, 1838934, 1897758, 1924966, 2000244, 2003189, 2326284, 2887449, 3000366, 3140734, 3167053, 3677868, 3795516, 3849932, 4006378, 4711101, 5774898, 6000732, 6009567, 6281468, 6334106, 8012756, 8662347, 9422202, 9501159, 11549796, 12019134, 12668212, 14133303, 17324694, 18028701, 18287177, 18844404, 19002318, 24038268, 28266606, 28503477, 29836973, 34649388, 36057402, 36574354, 38004636, 54861531, 56533212, 57006954, 59673946, 72114804, 73148708, 89510919, 109723062, 114013908, 119347892, 164584593, 179021838, 219446124, 268532757, 329169186, 358043676, 537065514, 566902487, 658338372, 1074131028, 1133804974, 1700707461, 2267609948, 3401414922, 5102122383, 6802829844, 10204244766, 20408489532]

約数ペア:

[(1, 20408489532), (2, 10204244766), (3, 6802829844), (4, 5102122383), (6, 3401414922), (9, 2267609948), (12, 1700707461), (18, 1133804974), (19, 1074131028), (31, 658338372), (36, 566902487), (38, 537065514), (57, 358043676), (62, 329169186), (76, 268532757), (93, 219446124), (114, 179021838), (124, 164584593), (171, 119347892), (179, 114013908), (186, 109723062), (228, 89510919), (279, 73148708), (283, 72114804), (342, 59673946), (358, 57006954), (361, 56533212), (372, 54861531), (537, 38004636), (558, 36574354), (566, 36057402), (589, 34649388), (684, 29836973), (716, 28503477), (722, 28266606), (849, 24038268), (1074, 19002318), (1083, 18844404), (1116, 18287177), (1132, 18028701), (1178, 17324694), (1444, 14133303), (1611, 12668212), (1698, 12019134), (1767, 11549796), (2148, 9501159), (2166, 9422202), (2356, 8662347), (2547, 8012756), (3222, 6334106), (3249, 6281468), (3396, 6009567), (3401, 6000732), (3534, 5774898), (4332, 4711101), (5094, 4006378), (5301, 3849932), (5377, 3795516), (5549, 3677868), (6444, 3167053), (6498, 3140734), (6802, 3000366), (7068, 2887449), (8773, 2326284), (10188, 2003189), (10203, 2000244), (10602, 1924966), (10754, 1897758), (11098, 1838934), (11191, 1823652), (12996, 1570367), (13604, 1500183), (16131, 1265172), (16647, 1225956), (17546, 1163142), (20406, 1000122), (21204, 962483), (21508, 948879), (22196, 919467), (22382, 911826), (26319, 775428), (30609, 666748), (32262, 632586), (33294, 612978), (33573, 607884), (35092, 581571), (40812, 500061), (44764, 455913), (48393, 421724), (49941, 408652), (50657, 402876), (52638, 387714), (61218, 333374), (64524, 316293), (64619, 315828), (66588, 306489), (67146, 303942), (78957, 258476), (96786, 210862), (99882, 204326), (100719, 202628), (101314, 201438), (102163, 199764), (105276, 193857), (105431, 193572), (122436, 166687), (129238, 157914), (134292, 151971)]