20972630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5653}}^1$

素因数の和:5720

約数の個数: 32

約数和(自身を含む): 43965504

約数和(自身を除く): 22992874

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 5653, 11306, 28265, 39571, 56530, 79142, 197855, 299609, 395710, 599218, 1498045, 2097263, 2996090, 4194526, 10486315, 20972630]

約数ペア:

[(1, 20972630), (2, 10486315), (5, 4194526), (7, 2996090), (10, 2097263), (14, 1498045), (35, 599218), (53, 395710), (70, 299609), (106, 197855), (265, 79142), (371, 56530), (530, 39571), (742, 28265), (1855, 11306), (3710, 5653)]