20418190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9239}}^1$

素因数の和:9276

約数の個数: 32

約数和(自身を含む): 41912640

約数和(自身を除く): 21494450

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 9239, 18478, 46195, 92390, 120107, 157063, 240214, 314126, 600535, 785315, 1201070, 1570630, 2041819, 4083638, 10209095, 20418190]

約数ペア:

[(1, 20418190), (2, 10209095), (5, 4083638), (10, 2041819), (13, 1570630), (17, 1201070), (26, 785315), (34, 600535), (65, 314126), (85, 240214), (130, 157063), (170, 120107), (221, 92390), (442, 46195), (1105, 18478), (2210, 9239)]