20249710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2939}}^1$

素因数の和:3012

約数の個数: 32

約数和(自身を含む): 40007520

約数和(自身を除く): 19757810

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 2939, 3445, 5878, 6890, 14695, 29390, 38207, 76414, 155767, 191035, 311534, 382070, 778835, 1557670, 2024971, 4049942, 10124855, 20249710]

約数ペア:

[(1, 20249710), (2, 10124855), (5, 4049942), (10, 2024971), (13, 1557670), (26, 778835), (53, 382070), (65, 311534), (106, 191035), (130, 155767), (265, 76414), (530, 38207), (689, 29390), (1378, 14695), (2939, 6890), (3445, 5878)]