20877700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12281}}^1$

素因数の和:12312

約数の個数: 36

約数和(自身を含む): 47973492

約数和(自身を除く): 27095792

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 12281, 24562, 49124, 61405, 122810, 208777, 245620, 307025, 417554, 614050, 835108, 1043885, 1228100, 2087770, 4175540, 5219425, 10438850, 20877700]

約数ペア:

[(1, 20877700), (2, 10438850), (4, 5219425), (5, 4175540), (10, 2087770), (17, 1228100), (20, 1043885), (25, 835108), (34, 614050), (50, 417554), (68, 307025), (85, 245620), (100, 208777), (170, 122810), (340, 61405), (425, 49124), (850, 24562), (1700, 12281)]