20670530

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{907}}^1$

素因数の和:1010

約数の個数: 32

約数和(自身を含む): 38833344

約数和(自身を除く): 18162814

約数列:

[1, 2, 5, 10, 43, 53, 86, 106, 215, 265, 430, 530, 907, 1814, 2279, 4535, 4558, 9070, 11395, 22790, 39001, 48071, 78002, 96142, 195005, 240355, 390010, 480710, 2067053, 4134106, 10335265, 20670530]

約数ペア:

[(1, 20670530), (2, 10335265), (5, 4134106), (10, 2067053), (43, 480710), (53, 390010), (86, 240355), (106, 195005), (215, 96142), (265, 78002), (430, 48071), (530, 39001), (907, 22790), (1814, 11395), (2279, 9070), (4535, 4558)]