20210571436

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41757379}}^1$

素因数の和:41757405

約数の個数: 18

約数和(自身を含む): 38876120780

約数和(自身を除く): 18665549344

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 41757379, 83514758, 167029516, 459331169, 918662338, 1837324676, 5052642859, 10105285718, 20210571436]

約数ペア:

[(1, 20210571436), (2, 10105285718), (4, 5052642859), (11, 1837324676), (22, 918662338), (44, 459331169), (121, 167029516), (242, 83514758), (484, 41757379)]