20227531175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1\times {\mathrm{1999}}^1$

素因数の和:2876

約数の個数: 48

約数和(自身を含む): 27520560000

約数和(自身を除く): 7293028825

約数列:

[1, 5, 17, 25, 29, 85, 145, 425, 493, 725, 821, 1999, 2465, 4105, 9995, 12325, 13957, 20525, 23809, 33983, 49975, 57971, 69785, 119045, 169915, 289855, 348925, 404753, 595225, 849575, 985507, 1449275, 1641179, 2023765, 4927535, 8205895, 10118825, 24637675, 27900043, 41029475, 47594191, 139500215, 237970955, 697501075, 809101247, 1189854775, 4045506235, 20227531175]

約数ペア:

[(1, 20227531175), (5, 4045506235), (17, 1189854775), (25, 809101247), (29, 697501075), (85, 237970955), (145, 139500215), (425, 47594191), (493, 41029475), (725, 27900043), (821, 24637675), (1999, 10118825), (2465, 8205895), (4105, 4927535), (9995, 2023765), (12325, 1641179), (13957, 1449275), (20525, 985507), (23809, 849575), (33983, 595225), (49975, 404753), (57971, 348925), (69785, 289855), (119045, 169915)]