20985930

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33311}}^1$

素因数の和:33331

約数の個数: 48

約数和(自身を含む): 62360064

約数和(自身を除く): 41374134

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33311, 66622, 99933, 166555, 199866, 233177, 299799, 333110, 466354, 499665, 599598, 699531, 999330, 1165885, 1399062, 1498995, 2098593, 2331770, 2997990, 3497655, 4197186, 6995310, 10492965, 20985930]

約数ペア:

[(1, 20985930), (2, 10492965), (3, 6995310), (5, 4197186), (6, 3497655), (7, 2997990), (9, 2331770), (10, 2098593), (14, 1498995), (15, 1399062), (18, 1165885), (21, 999330), (30, 699531), (35, 599598), (42, 499665), (45, 466354), (63, 333110), (70, 299799), (90, 233177), (105, 199866), (126, 166555), (210, 99933), (315, 66622), (630, 33311)]