20161475766

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{457363}}^1$

素因数の和:457481

約数の個数: 48

約数和(自身を含む): 45663221760

約数和(自身を除く): 25501745994

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 79, 93, 158, 186, 237, 279, 474, 558, 711, 1422, 2449, 4898, 7347, 14694, 22041, 44082, 457363, 914726, 1372089, 2744178, 4116267, 8232534, 14178253, 28356506, 36131677, 42534759, 72263354, 85069518, 108395031, 127604277, 216790062, 255208554, 325185093, 650370186, 1120081987, 2240163974, 3360245961, 6720491922, 10080737883, 20161475766]

約数ペア:

[(1, 20161475766), (2, 10080737883), (3, 6720491922), (6, 3360245961), (9, 2240163974), (18, 1120081987), (31, 650370186), (62, 325185093), (79, 255208554), (93, 216790062), (158, 127604277), (186, 108395031), (237, 85069518), (279, 72263354), (474, 42534759), (558, 36131677), (711, 28356506), (1422, 14178253), (2449, 8232534), (4898, 4116267), (7347, 2744178), (14694, 1372089), (22041, 914726), (44082, 457363)]