20458530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4289}}^1$

素因数の和:4355

約数の個数: 48

約数和(自身を含む): 54208440

約数和(自身を除く): 33749910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 318, 477, 530, 795, 954, 1590, 2385, 4289, 4770, 8578, 12867, 21445, 25734, 38601, 42890, 64335, 77202, 128670, 193005, 227317, 386010, 454634, 681951, 1136585, 1363902, 2045853, 2273170, 3409755, 4091706, 6819510, 10229265, 20458530]

約数ペア:

[(1, 20458530), (2, 10229265), (3, 6819510), (5, 4091706), (6, 3409755), (9, 2273170), (10, 2045853), (15, 1363902), (18, 1136585), (30, 681951), (45, 454634), (53, 386010), (90, 227317), (106, 193005), (159, 128670), (265, 77202), (318, 64335), (477, 42890), (530, 38601), (795, 25734), (954, 21445), (1590, 12867), (2385, 8578), (4289, 4770)]