20951632

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{383}}^1$

素因数の和:667

約数の個数: 40

約数和(自身を含む): 43997184

約数和(自身を除く): 23045552

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 263, 383, 526, 766, 1052, 1532, 2104, 3064, 3419, 4208, 4979, 6128, 6838, 9958, 13676, 19916, 27352, 39832, 54704, 79664, 100729, 201458, 402916, 805832, 1309477, 1611664, 2618954, 5237908, 10475816, 20951632]

約数ペア:

[(1, 20951632), (2, 10475816), (4, 5237908), (8, 2618954), (13, 1611664), (16, 1309477), (26, 805832), (52, 402916), (104, 201458), (208, 100729), (263, 79664), (383, 54704), (526, 39832), (766, 27352), (1052, 19916), (1532, 13676), (2104, 9958), (3064, 6838), (3419, 6128), (4208, 4979)]