20121896445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{436531}}^1$

素因数の和:436985

約数の個数: 32

約数和(自身を含む): 36878223360

約数和(自身を除く): 16756326915

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 439, 1317, 2195, 3073, 6585, 9219, 15365, 46095, 436531, 1309593, 2182655, 3055717, 6547965, 9167151, 15278585, 45835755, 191637109, 574911327, 958185545, 1341459763, 2874556635, 4024379289, 6707298815, 20121896445]

約数ペア:

[(1, 20121896445), (3, 6707298815), (5, 4024379289), (7, 2874556635), (15, 1341459763), (21, 958185545), (35, 574911327), (105, 191637109), (439, 45835755), (1317, 15278585), (2195, 9167151), (3073, 6547965), (6585, 3055717), (9219, 2182655), (15365, 1309593), (46095, 436531)]