20555940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{342599}}^1$

素因数の和:342611

約数の個数: 24

約数和(自身を含む): 57556800

約数和(自身を除く): 37000860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 342599, 685198, 1027797, 1370396, 1712995, 2055594, 3425990, 4111188, 5138985, 6851980, 10277970, 20555940]

約数ペア:

[(1, 20555940), (2, 10277970), (3, 6851980), (4, 5138985), (5, 4111188), (6, 3425990), (10, 2055594), (12, 1712995), (15, 1370396), (20, 1027797), (30, 685198), (60, 342599)]