20196704

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:519

約数の個数: 48

約数和(自身を含む): 43754256

約数和(自身を除く): 23557552

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 181, 317, 352, 362, 634, 724, 1268, 1448, 1991, 2536, 2896, 3487, 3982, 5072, 5792, 6974, 7964, 10144, 13948, 15928, 27896, 31856, 55792, 57377, 63712, 111584, 114754, 229508, 459016, 631147, 918032, 1262294, 1836064, 2524588, 5049176, 10098352, 20196704]

約数ペア:

[(1, 20196704), (2, 10098352), (4, 5049176), (8, 2524588), (11, 1836064), (16, 1262294), (22, 918032), (32, 631147), (44, 459016), (88, 229508), (176, 114754), (181, 111584), (317, 63712), (352, 57377), (362, 55792), (634, 31856), (724, 27896), (1268, 15928), (1448, 13948), (1991, 10144), (2536, 7964), (2896, 6974), (3487, 5792), (3982, 5072)]