20164456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4729}}^1$

素因数の和:4789

約数の個数: 32

約数和(自身を含む): 41718600

約数和(自身を除く): 21554144

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 4729, 9458, 18916, 37832, 61477, 122954, 193889, 245908, 387778, 491816, 775556, 1551112, 2520557, 5041114, 10082228, 20164456]

約数ペア:

[(1, 20164456), (2, 10082228), (4, 5041114), (8, 2520557), (13, 1551112), (26, 775556), (41, 491816), (52, 387778), (82, 245908), (104, 193889), (164, 122954), (328, 61477), (533, 37832), (1066, 18916), (2132, 9458), (4264, 4729)]