20565381006

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{1013}}^1$

素因数の和:1511

約数の個数: 128

約数和(自身を含む): 49295001600

約数和(自身を除く): 28729620594

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 47, 54, 57, 94, 114, 141, 171, 282, 342, 421, 423, 513, 842, 846, 893, 1013, 1026, 1263, 1269, 1786, 2026, 2526, 2538, 2679, 3039, 3789, 5358, 6078, 7578, 7999, 8037, 9117, 11367, 15998, 16074, 18234, 19247, 19787, 22734, 23997, 24111, 27351, 38494, 39574, 47611, 47994, 48222, 54702, 57741, 59361, 71991, 95222, 115482, 118722, 142833, 143982, 173223, 178083, 215973, 285666, 346446, 356166, 375953, 426473, 428499, 431946, 519669, 534249, 751906, 852946, 856998, 904609, 1039338, 1068498, 1127859, 1279419, 1285497, 1809218, 2255718, 2558838, 2570994, 2713827, 3383577, 3838257, 5427654, 6767154, 7676514, 8102987, 8141481, 10150731, 11514771, 16205974, 16282962, 20044231, 20301462, 23029542, 24308961, 24424443, 40088462, 48617922, 48848886, 60132693, 72926883, 120265386, 145853766, 180398079, 218780649, 360796158, 380840389, 437561298, 541194237, 761680778, 1082388474, 1142521167, 2285042334, 3427563501, 6855127002, 10282690503, 20565381006]

約数ペア:

[(1, 20565381006), (2, 10282690503), (3, 6855127002), (6, 3427563501), (9, 2285042334), (18, 1142521167), (19, 1082388474), (27, 761680778), (38, 541194237), (47, 437561298), (54, 380840389), (57, 360796158), (94, 218780649), (114, 180398079), (141, 145853766), (171, 120265386), (282, 72926883), (342, 60132693), (421, 48848886), (423, 48617922), (513, 40088462), (842, 24424443), (846, 24308961), (893, 23029542), (1013, 20301462), (1026, 20044231), (1263, 16282962), (1269, 16205974), (1786, 11514771), (2026, 10150731), (2526, 8141481), (2538, 8102987), (2679, 7676514), (3039, 6767154), (3789, 5427654), (5358, 3838257), (6078, 3383577), (7578, 2713827), (7999, 2570994), (8037, 2558838), (9117, 2255718), (11367, 1809218), (15998, 1285497), (16074, 1279419), (18234, 1127859), (19247, 1068498), (19787, 1039338), (22734, 904609), (23997, 856998), (24111, 852946), (27351, 751906), (38494, 534249), (39574, 519669), (47611, 431946), (47994, 428499), (48222, 426473), (54702, 375953), (57741, 356166), (59361, 346446), (71991, 285666), (95222, 215973), (115482, 178083), (118722, 173223), (142833, 143982)]