20624344

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3251}}^1$

素因数の和:3331

約数の個数: 32

約数和(自身を含む): 42341040

約数和(自身を除く): 21716696

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 3251, 6344, 6502, 13004, 26008, 42263, 84526, 169052, 198311, 338104, 396622, 793244, 1586488, 2578043, 5156086, 10312172, 20624344]

約数ペア:

[(1, 20624344), (2, 10312172), (4, 5156086), (8, 2578043), (13, 1586488), (26, 793244), (52, 396622), (61, 338104), (104, 198311), (122, 169052), (244, 84526), (488, 42263), (793, 26008), (1586, 13004), (3172, 6502), (3251, 6344)]