20698436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 41827968

約数和(自身を除く): 21129532

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 113, 181, 226, 253, 362, 452, 506, 724, 1012, 1243, 1991, 2486, 2599, 3982, 4163, 4972, 5198, 7964, 8326, 10396, 16652, 20453, 28589, 40906, 45793, 57178, 81812, 91586, 114356, 183172, 224983, 449966, 470419, 899932, 940838, 1881676, 5174609, 10349218, 20698436]

約数ペア:

[(1, 20698436), (2, 10349218), (4, 5174609), (11, 1881676), (22, 940838), (23, 899932), (44, 470419), (46, 449966), (92, 224983), (113, 183172), (181, 114356), (226, 91586), (253, 81812), (362, 57178), (452, 45793), (506, 40906), (724, 28589), (1012, 20453), (1243, 16652), (1991, 10396), (2486, 8326), (2599, 7964), (3982, 5198), (4163, 4972)]