20187942333

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{66509}}^1$

素因数の和:66749

約数の個数: 32

約数和(自身を含む): 29826276480

約数和(自身を除く): 9638334147

約数列:

[1, 3, 13, 39, 43, 129, 181, 543, 559, 1677, 2353, 7059, 7783, 23349, 66509, 101179, 199527, 303537, 864617, 2593851, 2859887, 8579661, 12038129, 36114387, 37178531, 111535593, 156495677, 469487031, 517639547, 1552918641, 6729314111, 20187942333]

約数ペア:

[(1, 20187942333), (3, 6729314111), (13, 1552918641), (39, 517639547), (43, 469487031), (129, 156495677), (181, 111535593), (543, 37178531), (559, 36114387), (1677, 12038129), (2353, 8579661), (7059, 2859887), (7783, 2593851), (23349, 864617), (66509, 303537), (101179, 199527)]