1720245220

素因数分解:

$2^2\times 5^1\times {\mathrm{1709}}^1\times {\mathrm{50329}}^1$

素因数の和:52047

約数の個数: 24

約数和(自身を含む): 3614700600

約数和(自身を除く): 1894455380

約数列:

[1, 2, 4, 5, 10, 20, 1709, 3418, 6836, 8545, 17090, 34180, 50329, 100658, 201316, 251645, 503290, 1006580, 86012261, 172024522, 344049044, 430061305, 860122610, 1720245220]

約数ペア:

[(1, 1720245220), (2, 860122610), (4, 430061305), (5, 344049044), (10, 172024522), (20, 86012261), (1709, 1006580), (3418, 503290), (6836, 251645), (8545, 201316), (17090, 100658), (34180, 50329)]