20485320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{170711}}^1$

素因数の和:170725

約数の個数: 32

約数和(自身を含む): 61456320

約数和(自身を除く): 40971000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 170711, 341422, 512133, 682844, 853555, 1024266, 1365688, 1707110, 2048532, 2560665, 3414220, 4097064, 5121330, 6828440, 10242660, 20485320]

約数ペア:

[(1, 20485320), (2, 10242660), (3, 6828440), (4, 5121330), (5, 4097064), (6, 3414220), (8, 2560665), (10, 2048532), (12, 1707110), (15, 1365688), (20, 1024266), (24, 853555), (30, 682844), (40, 512133), (60, 341422), (120, 170711)]