2084980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1709}}^1$

素因数の和:1779

約数の個数: 24

約数和(自身を含む): 4452840

約数和(自身を除く): 2367860

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1709, 3418, 6836, 8545, 17090, 34180, 104249, 208498, 416996, 521245, 1042490, 2084980]

約数ペア:

[(1, 2084980), (2, 1042490), (4, 521245), (5, 416996), (10, 208498), (20, 104249), (61, 34180), (122, 17090), (244, 8545), (305, 6836), (610, 3418), (1220, 1709)]