20687238

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:104

約数の個数: 160

約数和(自身を含む): 58544640

約数和(自身を除く): 37857402

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 19, 22, 26, 27, 33, 38, 39, 47, 54, 57, 66, 78, 81, 94, 99, 114, 117, 141, 143, 162, 171, 198, 209, 234, 247, 282, 286, 297, 342, 351, 418, 423, 429, 494, 513, 517, 594, 611, 627, 702, 741, 846, 858, 891, 893, 1026, 1034, 1053, 1222, 1254, 1269, 1287, 1482, 1539, 1551, 1782, 1786, 1833, 1881, 2106, 2223, 2538, 2574, 2679, 2717, 3078, 3102, 3666, 3762, 3807, 3861, 4446, 4653, 5358, 5434, 5499, 5643, 6669, 6721, 7614, 7722, 8037, 8151, 9306, 9823, 10998, 11286, 11583, 11609, 13338, 13442, 13959, 16074, 16302, 16497, 16929, 19646, 20007, 20163, 23166, 23218, 24111, 24453, 27918, 29469, 32994, 33858, 34827, 40014, 40326, 41877, 48222, 48906, 49491, 58938, 60489, 69654, 72333, 73359, 83754, 88407, 98982, 104481, 120978, 127699, 144666, 146718, 176814, 181467, 208962, 220077, 255398, 265221, 313443, 362934, 383097, 440154, 530442, 544401, 626886, 766194, 795663, 940329, 1088802, 1149291, 1591326, 1880658, 2298582, 3447873, 6895746, 10343619, 20687238]

約数ペア:

[(1, 20687238), (2, 10343619), (3, 6895746), (6, 3447873), (9, 2298582), (11, 1880658), (13, 1591326), (18, 1149291), (19, 1088802), (22, 940329), (26, 795663), (27, 766194), (33, 626886), (38, 544401), (39, 530442), (47, 440154), (54, 383097), (57, 362934), (66, 313443), (78, 265221), (81, 255398), (94, 220077), (99, 208962), (114, 181467), (117, 176814), (141, 146718), (143, 144666), (162, 127699), (171, 120978), (198, 104481), (209, 98982), (234, 88407), (247, 83754), (282, 73359), (286, 72333), (297, 69654), (342, 60489), (351, 58938), (418, 49491), (423, 48906), (429, 48222), (494, 41877), (513, 40326), (517, 40014), (594, 34827), (611, 33858), (627, 32994), (702, 29469), (741, 27918), (846, 24453), (858, 24111), (891, 23218), (893, 23166), (1026, 20163), (1034, 20007), (1053, 19646), (1222, 16929), (1254, 16497), (1269, 16302), (1287, 16074), (1482, 13959), (1539, 13442), (1551, 13338), (1782, 11609), (1786, 11583), (1833, 11286), (1881, 10998), (2106, 9823), (2223, 9306), (2538, 8151), (2574, 8037), (2679, 7722), (2717, 7614), (3078, 6721), (3102, 6669), (3666, 5643), (3762, 5499), (3807, 5434), (3861, 5358), (4446, 4653)]