20856366

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{4153}}^1$

素因数の和:4198

約数の個数: 40

約数和(自身を含む): 48252864

約数和(自身を除く): 27396498

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 279, 558, 837, 1674, 2511, 4153, 5022, 8306, 12459, 24918, 37377, 74754, 112131, 128743, 224262, 257486, 336393, 386229, 672786, 772458, 1158687, 2317374, 3476061, 6952122, 10428183, 20856366]

約数ペア:

[(1, 20856366), (2, 10428183), (3, 6952122), (6, 3476061), (9, 2317374), (18, 1158687), (27, 772458), (31, 672786), (54, 386229), (62, 336393), (81, 257486), (93, 224262), (162, 128743), (186, 112131), (279, 74754), (558, 37377), (837, 24918), (1674, 12459), (2511, 8306), (4153, 5022)]