20312576

素因数分解:

$2^9\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:524

約数の個数: 40

約数和(自身を含む): 41104140

約数和(自身を除く): 20791564

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 256, 388, 409, 512, 776, 818, 1552, 1636, 3104, 3272, 6208, 6544, 12416, 13088, 24832, 26176, 39673, 49664, 52352, 79346, 104704, 158692, 209408, 317384, 634768, 1269536, 2539072, 5078144, 10156288, 20312576]

約数ペア:

[(1, 20312576), (2, 10156288), (4, 5078144), (8, 2539072), (16, 1269536), (32, 634768), (64, 317384), (97, 209408), (128, 158692), (194, 104704), (256, 79346), (388, 52352), (409, 49664), (512, 39673), (776, 26176), (818, 24832), (1552, 13088), (1636, 12416), (3104, 6544), (3272, 6208)]