20529496

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1811}}^1$

素因数の和:1939

約数の個数: 32

約数和(自身を含む): 41857200

約数和(自身を除く): 21327704

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 218, 436, 872, 1417, 1811, 2834, 3622, 5668, 7244, 11336, 14488, 23543, 47086, 94172, 188344, 197399, 394798, 789596, 1579192, 2566187, 5132374, 10264748, 20529496]

約数ペア:

[(1, 20529496), (2, 10264748), (4, 5132374), (8, 2566187), (13, 1579192), (26, 789596), (52, 394798), (104, 197399), (109, 188344), (218, 94172), (436, 47086), (872, 23543), (1417, 14488), (1811, 11336), (2834, 7244), (3622, 5668)]