20016930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 50181120

約数和(自身を除く): 30164190

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 59, 86, 118, 129, 177, 215, 258, 263, 295, 354, 430, 526, 590, 645, 789, 885, 1290, 1315, 1578, 1770, 2537, 2630, 3945, 5074, 7611, 7890, 11309, 12685, 15222, 15517, 22618, 25370, 31034, 33927, 38055, 46551, 56545, 67854, 76110, 77585, 93102, 113090, 155170, 169635, 232755, 339270, 465510, 667231, 1334462, 2001693, 3336155, 4003386, 6672310, 10008465, 20016930]

約数ペア:

[(1, 20016930), (2, 10008465), (3, 6672310), (5, 4003386), (6, 3336155), (10, 2001693), (15, 1334462), (30, 667231), (43, 465510), (59, 339270), (86, 232755), (118, 169635), (129, 155170), (177, 113090), (215, 93102), (258, 77585), (263, 76110), (295, 67854), (354, 56545), (430, 46551), (526, 38055), (590, 33927), (645, 31034), (789, 25370), (885, 22618), (1290, 15517), (1315, 15222), (1578, 12685), (1770, 11309), (2537, 7890), (2630, 7611), (3945, 5074)]