20651189416

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1061867}}^1$

素因数の和:1061914

約数の個数: 64

約数和(自身を含む): 48166332480

約数和(自身を除く): 27515143064

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 187, 221, 286, 374, 442, 572, 748, 884, 1144, 1496, 1768, 2431, 4862, 9724, 19448, 1061867, 2123734, 4247468, 8494936, 11680537, 13804271, 18051739, 23361074, 27608542, 36103478, 46722148, 55217084, 72206956, 93444296, 110434168, 144413912, 151846981, 198569129, 234672607, 303693962, 397138258, 469345214, 607387924, 794276516, 938690428, 1214775848, 1588553032, 1877380856, 2581398677, 5162797354, 10325594708, 20651189416]

約数ペア:

[(1, 20651189416), (2, 10325594708), (4, 5162797354), (8, 2581398677), (11, 1877380856), (13, 1588553032), (17, 1214775848), (22, 938690428), (26, 794276516), (34, 607387924), (44, 469345214), (52, 397138258), (68, 303693962), (88, 234672607), (104, 198569129), (136, 151846981), (143, 144413912), (187, 110434168), (221, 93444296), (286, 72206956), (374, 55217084), (442, 46722148), (572, 36103478), (748, 27608542), (884, 23361074), (1144, 18051739), (1496, 13804271), (1768, 11680537), (2431, 8494936), (4862, 4247468), (9724, 2123734), (19448, 1061867)]