20105638785

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{546869}}^1$

素因数の和:546942

約数の個数: 48

約数和(自身を含む): 37537156800

約数和(自身を除く): 17431518015

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 57, 95, 129, 171, 215, 285, 387, 645, 817, 855, 1935, 2451, 4085, 7353, 12255, 36765, 546869, 1640607, 2734345, 4921821, 8203035, 10390511, 23515367, 24609105, 31171533, 51952555, 70546101, 93514599, 117576835, 155857665, 211638303, 352730505, 446791973, 467572995, 1058191515, 1340375919, 2233959865, 4021127757, 6701879595, 20105638785]

約数ペア:

[(1, 20105638785), (3, 6701879595), (5, 4021127757), (9, 2233959865), (15, 1340375919), (19, 1058191515), (43, 467572995), (45, 446791973), (57, 352730505), (95, 211638303), (129, 155857665), (171, 117576835), (215, 93514599), (285, 70546101), (387, 51952555), (645, 31171533), (817, 24609105), (855, 23515367), (1935, 10390511), (2451, 8203035), (4085, 4921821), (7353, 2734345), (12255, 1640607), (36765, 546869)]