20166077890

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{983}}^1\times {\mathrm{5981}}^1$

素因数の和:6992

約数の個数: 64

約数和(自身を含む): 42381273600

約数和(自身を除く): 22215195710

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 983, 1715, 1966, 3430, 4915, 5981, 6881, 9830, 11962, 13762, 29905, 34405, 41867, 48167, 59810, 68810, 83734, 96334, 209335, 240835, 293069, 337169, 418670, 481670, 586138, 674338, 1465345, 1685845, 2051483, 2930690, 3371690, 4102966, 5879323, 10257415, 11758646, 20514830, 29396615, 41155261, 58793230, 82310522, 205776305, 288086827, 411552610, 576173654, 1440434135, 2016607789, 2880868270, 4033215578, 10083038945, 20166077890]

約数ペア:

[(1, 20166077890), (2, 10083038945), (5, 4033215578), (7, 2880868270), (10, 2016607789), (14, 1440434135), (35, 576173654), (49, 411552610), (70, 288086827), (98, 205776305), (245, 82310522), (343, 58793230), (490, 41155261), (686, 29396615), (983, 20514830), (1715, 11758646), (1966, 10257415), (3430, 5879323), (4915, 4102966), (5981, 3371690), (6881, 2930690), (9830, 2051483), (11962, 1685845), (13762, 1465345), (29905, 674338), (34405, 586138), (41867, 481670), (48167, 418670), (59810, 337169), (68810, 293069), (83734, 240835), (96334, 209335)]