20403808

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{37507}}^1$

素因数の和:37534

約数の個数: 24

約数和(自身を含む): 42534072

約数和(自身を除く): 22130264

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 37507, 75014, 150028, 300056, 600112, 637619, 1200224, 1275238, 2550476, 5100952, 10201904, 20403808]

約数ペア:

[(1, 20403808), (2, 10201904), (4, 5100952), (8, 2550476), (16, 1275238), (17, 1200224), (32, 637619), (34, 600112), (68, 300056), (136, 150028), (272, 75014), (544, 37507)]