20663340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1429}}^1$

素因数の和:1682

約数の個数: 48

約数和(自身を含む): 58138080

約数和(自身を除く): 37474740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 723, 964, 1205, 1429, 1446, 2410, 2858, 2892, 3615, 4287, 4820, 5716, 7145, 7230, 8574, 14290, 14460, 17148, 21435, 28580, 42870, 85740, 344389, 688778, 1033167, 1377556, 1721945, 2066334, 3443890, 4132668, 5165835, 6887780, 10331670, 20663340]

約数ペア:

[(1, 20663340), (2, 10331670), (3, 6887780), (4, 5165835), (5, 4132668), (6, 3443890), (10, 2066334), (12, 1721945), (15, 1377556), (20, 1033167), (30, 688778), (60, 344389), (241, 85740), (482, 42870), (723, 28580), (964, 21435), (1205, 17148), (1429, 14460), (1446, 14290), (2410, 8574), (2858, 7230), (2892, 7145), (3615, 5716), (4287, 4820)]