20081140281

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1\times {\mathrm{937}}^1$

素因数の和:1486

約数の個数: 48

約数和(自身を含む): 29878226560

約数和(自身を除く): 9797086279

約数列:

[1, 3, 9, 61, 103, 183, 309, 379, 549, 927, 937, 1137, 2811, 3411, 6283, 8433, 18849, 23119, 39037, 56547, 57157, 69357, 96511, 117111, 171471, 208071, 289533, 351333, 355123, 514413, 868599, 1065369, 2381257, 3196107, 5887171, 7143771, 17661513, 21431313, 21662503, 36577669, 52984539, 64987509, 109733007, 194962527, 329199021, 2231237809, 6693713427, 20081140281]

約数ペア:

[(1, 20081140281), (3, 6693713427), (9, 2231237809), (61, 329199021), (103, 194962527), (183, 109733007), (309, 64987509), (379, 52984539), (549, 36577669), (927, 21662503), (937, 21431313), (1137, 17661513), (2811, 7143771), (3411, 5887171), (6283, 3196107), (8433, 2381257), (18849, 1065369), (23119, 868599), (39037, 514413), (56547, 355123), (57157, 351333), (69357, 289533), (96511, 208071), (117111, 171471)]