20911696

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{100537}}^1$

素因数の和:100558

約数の個数: 20

約数和(自身を含む): 43633492

約数和(自身を除く): 22721796

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 100537, 201074, 402148, 804296, 1306981, 1608592, 2613962, 5227924, 10455848, 20911696]

約数ペア:

[(1, 20911696), (2, 10455848), (4, 5227924), (8, 2613962), (13, 1608592), (16, 1306981), (26, 804296), (52, 402148), (104, 201074), (208, 100537)]