20502840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{170857}}^1$

素因数の和:170871

約数の個数: 32

約数和(自身を含む): 61508880

約数和(自身を除く): 41006040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 170857, 341714, 512571, 683428, 854285, 1025142, 1366856, 1708570, 2050284, 2562855, 3417140, 4100568, 5125710, 6834280, 10251420, 20502840]

約数ペア:

[(1, 20502840), (2, 10251420), (3, 6834280), (4, 5125710), (5, 4100568), (6, 3417140), (8, 2562855), (10, 2050284), (12, 1708570), (15, 1366856), (20, 1025142), (24, 854285), (30, 683428), (40, 512571), (60, 341714), (120, 170857)]