20921844670

素因数分解:

$2^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{6599951}}^1$

素因数の和:6600275

約数の個数: 16

約数和(自身を含む): 37778125248

約数和(自身を除く): 16856280578

約数列:

[1, 2, 5, 10, 317, 634, 1585, 3170, 6599951, 13199902, 32999755, 65999510, 2092184467, 4184368934, 10460922335, 20921844670]

約数ペア:

[(1, 20921844670), (2, 10460922335), (5, 4184368934), (10, 2092184467), (317, 65999510), (634, 32999755), (1585, 13199902), (3170, 6599951)]