20128046379

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1063}}^1\times {\mathrm{6883}}^1$

素因数の和:8087

約数の個数: 32

約数和(自身を含む): 30939009024

約数和(自身を除く): 10810962645

約数列:

[1, 3, 7, 21, 131, 393, 917, 1063, 2751, 3189, 6883, 7441, 20649, 22323, 48181, 139253, 144543, 417759, 901673, 974771, 2705019, 2924313, 6311711, 7316629, 18935133, 21949887, 51216403, 153649209, 958478399, 2875435197, 6709348793, 20128046379]

約数ペア:

[(1, 20128046379), (3, 6709348793), (7, 2875435197), (21, 958478399), (131, 153649209), (393, 51216403), (917, 21949887), (1063, 18935133), (2751, 7316629), (3189, 6311711), (6883, 2924313), (7441, 2705019), (20649, 974771), (22323, 901673), (48181, 417759), (139253, 144543)]