20145694779

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{101483}}^1$

素因数の和:101656

約数の個数: 48

約数和(自身を含む): 34955960832

約数和(自身を除く): 14810266053

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 137, 161, 207, 411, 483, 959, 1233, 1449, 2877, 3151, 8631, 9453, 22057, 28359, 66171, 101483, 198513, 304449, 710381, 913347, 2131143, 2334109, 6393429, 7002327, 13903171, 16338763, 21006981, 41709513, 49016289, 97322197, 125128539, 147048867, 291966591, 319772933, 875899773, 959318799, 2238410531, 2877956397, 6715231593, 20145694779]

約数ペア:

[(1, 20145694779), (3, 6715231593), (7, 2877956397), (9, 2238410531), (21, 959318799), (23, 875899773), (63, 319772933), (69, 291966591), (137, 147048867), (161, 125128539), (207, 97322197), (411, 49016289), (483, 41709513), (959, 21006981), (1233, 16338763), (1449, 13903171), (2877, 7002327), (3151, 6393429), (8631, 2334109), (9453, 2131143), (22057, 913347), (28359, 710381), (66171, 304449), (101483, 198513)]