20539650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{919}}^1$

素因数の和:1083

約数の個数: 48

約数和(自身を含む): 51336000

約数和(自身を除く): 30796350

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 149, 150, 298, 447, 745, 894, 919, 1490, 1838, 2235, 2757, 3725, 4470, 4595, 5514, 7450, 9190, 11175, 13785, 22350, 22975, 27570, 45950, 68925, 136931, 137850, 273862, 410793, 684655, 821586, 1369310, 2053965, 3423275, 4107930, 6846550, 10269825, 20539650]

約数ペア:

[(1, 20539650), (2, 10269825), (3, 6846550), (5, 4107930), (6, 3423275), (10, 2053965), (15, 1369310), (25, 821586), (30, 684655), (50, 410793), (75, 273862), (149, 137850), (150, 136931), (298, 68925), (447, 45950), (745, 27570), (894, 22975), (919, 22350), (1490, 13785), (1838, 11175), (2235, 9190), (2757, 7450), (3725, 5514), (4470, 4595)]