20103990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2141}}^1$

素因数の和:2464

約数の個数: 32

約数和(自身を含む): 48426336

約数和(自身を除く): 28322346

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 313, 626, 939, 1565, 1878, 2141, 3130, 4282, 4695, 6423, 9390, 10705, 12846, 21410, 32115, 64230, 670133, 1340266, 2010399, 3350665, 4020798, 6701330, 10051995, 20103990]

約数ペア:

[(1, 20103990), (2, 10051995), (3, 6701330), (5, 4020798), (6, 3350665), (10, 2010399), (15, 1340266), (30, 670133), (313, 64230), (626, 32115), (939, 21410), (1565, 12846), (1878, 10705), (2141, 9390), (3130, 6423), (4282, 4695)]