20070464540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4624531}}^1$

素因数の和:4624578

約数の個数: 48

約数和(自身を含む): 49722968064

約数和(自身を除く): 29652503524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 4624531, 9249062, 18498124, 23122655, 32371717, 46245310, 64743434, 92490620, 129486868, 143360461, 161858585, 286720922, 323717170, 573441844, 647434340, 716802305, 1003523227, 1433604610, 2007046454, 2867209220, 4014092908, 5017616135, 10035232270, 20070464540]

約数ペア:

[(1, 20070464540), (2, 10035232270), (4, 5017616135), (5, 4014092908), (7, 2867209220), (10, 2007046454), (14, 1433604610), (20, 1003523227), (28, 716802305), (31, 647434340), (35, 573441844), (62, 323717170), (70, 286720922), (124, 161858585), (140, 143360461), (155, 129486868), (217, 92490620), (310, 64743434), (434, 46245310), (620, 32371717), (868, 23122655), (1085, 18498124), (2170, 9249062), (4340, 4624531)]