20121369620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1101937}}^1$

素因数の和:1102040

約数の個数: 48

約数和(自身を含む): 46651647168

約数和(自身を除く): 26530277548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 830, 913, 1660, 1826, 3652, 4565, 9130, 18260, 1101937, 2203874, 4407748, 5509685, 11019370, 12121307, 22038740, 24242614, 48485228, 60606535, 91460771, 121213070, 182921542, 242426140, 365843084, 457303855, 914607710, 1006068481, 1829215420, 2012136962, 4024273924, 5030342405, 10060684810, 20121369620]

約数ペア:

[(1, 20121369620), (2, 10060684810), (4, 5030342405), (5, 4024273924), (10, 2012136962), (11, 1829215420), (20, 1006068481), (22, 914607710), (44, 457303855), (55, 365843084), (83, 242426140), (110, 182921542), (166, 121213070), (220, 91460771), (332, 60606535), (415, 48485228), (830, 24242614), (913, 22038740), (1660, 12121307), (1826, 11019370), (3652, 5509685), (4565, 4407748), (9130, 2203874), (18260, 1101937)]