20203709180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4229}}^1\times {\mathrm{4507}}^1$

素因数の和:8798

約数の個数: 48

約数和(自身を含む): 43248129120

約数和(自身を除く): 23044419940

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 4229, 4507, 8458, 9014, 16916, 18028, 21145, 22535, 42290, 45070, 84580, 90140, 224137, 238871, 448274, 477742, 896548, 955484, 1120685, 1194355, 2241370, 2388710, 4482740, 4777420, 19060103, 38120206, 76240412, 95300515, 190601030, 381202060, 1010185459, 2020370918, 4040741836, 5050927295, 10101854590, 20203709180]

約数ペア:

[(1, 20203709180), (2, 10101854590), (4, 5050927295), (5, 4040741836), (10, 2020370918), (20, 1010185459), (53, 381202060), (106, 190601030), (212, 95300515), (265, 76240412), (530, 38120206), (1060, 19060103), (4229, 4777420), (4507, 4482740), (8458, 2388710), (9014, 2241370), (16916, 1194355), (18028, 1120685), (21145, 955484), (22535, 896548), (42290, 477742), (45070, 448274), (84580, 238871), (90140, 224137)]