20131676920

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{691}}^1\times {\mathrm{2099}}^1$

素因数の和:3148

約数の個数: 64

約数和(自身を含む): 45514224000

約数和(自身を除く): 25382547080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 691, 694, 1382, 1388, 1735, 2099, 2764, 2776, 3455, 3470, 4198, 5528, 6910, 6940, 8396, 10495, 13820, 13880, 16792, 20990, 27640, 41980, 83960, 239777, 479554, 728353, 959108, 1198885, 1450409, 1456706, 1918216, 2397770, 2900818, 2913412, 3641765, 4795540, 5801636, 5826824, 7252045, 7283530, 9591080, 11603272, 14504090, 14567060, 29008180, 29134120, 58016360, 503291923, 1006583846, 2013167692, 2516459615, 4026335384, 5032919230, 10065838460, 20131676920]

約数ペア:

[(1, 20131676920), (2, 10065838460), (4, 5032919230), (5, 4026335384), (8, 2516459615), (10, 2013167692), (20, 1006583846), (40, 503291923), (347, 58016360), (691, 29134120), (694, 29008180), (1382, 14567060), (1388, 14504090), (1735, 11603272), (2099, 9591080), (2764, 7283530), (2776, 7252045), (3455, 5826824), (3470, 5801636), (4198, 4795540), (5528, 3641765), (6910, 2913412), (6940, 2900818), (8396, 2397770), (10495, 1918216), (13820, 1456706), (13880, 1450409), (16792, 1198885), (20990, 959108), (27640, 728353), (41980, 479554), (83960, 239777)]