20147844

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 48625920

約数和(自身を除く): 28478076

約数列:

[1, 2, 3, 4, 6, 12, 53, 79, 106, 158, 159, 212, 237, 316, 318, 401, 474, 636, 802, 948, 1203, 1604, 2406, 4187, 4812, 8374, 12561, 16748, 21253, 25122, 31679, 42506, 50244, 63358, 63759, 85012, 95037, 126716, 127518, 190074, 255036, 380148, 1678987, 3357974, 5036961, 6715948, 10073922, 20147844]

約数ペア:

[(1, 20147844), (2, 10073922), (3, 6715948), (4, 5036961), (6, 3357974), (12, 1678987), (53, 380148), (79, 255036), (106, 190074), (158, 127518), (159, 126716), (212, 95037), (237, 85012), (316, 63759), (318, 63358), (401, 50244), (474, 42506), (636, 31679), (802, 25122), (948, 21253), (1203, 16748), (1604, 12561), (2406, 8374), (4187, 4812)]