20893170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:675

約数の個数: 64

約数和(自身を含む): 53934336

約数和(自身を除く): 33041166

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 71, 85, 102, 142, 170, 213, 255, 355, 426, 510, 577, 710, 1065, 1154, 1207, 1731, 2130, 2414, 2885, 3462, 3621, 5770, 6035, 7242, 8655, 9809, 12070, 17310, 18105, 19618, 29427, 36210, 40967, 49045, 58854, 81934, 98090, 122901, 147135, 204835, 245802, 294270, 409670, 614505, 696439, 1229010, 1392878, 2089317, 3482195, 4178634, 6964390, 10446585, 20893170]

約数ペア:

[(1, 20893170), (2, 10446585), (3, 6964390), (5, 4178634), (6, 3482195), (10, 2089317), (15, 1392878), (17, 1229010), (30, 696439), (34, 614505), (51, 409670), (71, 294270), (85, 245802), (102, 204835), (142, 147135), (170, 122901), (213, 98090), (255, 81934), (355, 58854), (426, 49045), (510, 40967), (577, 36210), (710, 29427), (1065, 19618), (1154, 18105), (1207, 17310), (1731, 12070), (2130, 9809), (2414, 8655), (2885, 7242), (3462, 6035), (3621, 5770)]