20227529080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{145021}}^1$

素因数の和:145360

約数の個数: 64

約数和(自身を含む): 49806355680

約数和(自身を除く): 29578826600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 317, 440, 634, 1268, 1585, 2536, 3170, 3487, 6340, 6974, 12680, 13948, 17435, 27896, 34870, 69740, 139480, 145021, 290042, 580084, 725105, 1160168, 1450210, 1595231, 2900420, 3190462, 5800840, 6380924, 7976155, 12761848, 15952310, 31904620, 45971657, 63809240, 91943314, 183886628, 229858285, 367773256, 459716570, 505688227, 919433140, 1011376454, 1838866280, 2022752908, 2528441135, 4045505816, 5056882270, 10113764540, 20227529080]

約数ペア:

[(1, 20227529080), (2, 10113764540), (4, 5056882270), (5, 4045505816), (8, 2528441135), (10, 2022752908), (11, 1838866280), (20, 1011376454), (22, 919433140), (40, 505688227), (44, 459716570), (55, 367773256), (88, 229858285), (110, 183886628), (220, 91943314), (317, 63809240), (440, 45971657), (634, 31904620), (1268, 15952310), (1585, 12761848), (2536, 7976155), (3170, 6380924), (3487, 5800840), (6340, 3190462), (6974, 2900420), (12680, 1595231), (13948, 1450210), (17435, 1160168), (27896, 725105), (34870, 580084), (69740, 290042), (139480, 145021)]