20186001

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 33696000

約数和(自身を除く): 13509999

約数列:

[1, 3, 9, 11, 29, 33, 79, 87, 89, 99, 237, 261, 267, 319, 711, 801, 869, 957, 979, 2291, 2581, 2607, 2871, 2937, 6873, 7031, 7743, 7821, 8811, 20619, 21093, 23229, 25201, 28391, 63279, 75603, 77341, 85173, 203899, 226809, 232023, 255519, 611697, 696069, 1835091, 2242889, 6728667, 20186001]

約数ペア:

[(1, 20186001), (3, 6728667), (9, 2242889), (11, 1835091), (29, 696069), (33, 611697), (79, 255519), (87, 232023), (89, 226809), (99, 203899), (237, 85173), (261, 77341), (267, 75603), (319, 63279), (711, 28391), (801, 25201), (869, 23229), (957, 21093), (979, 20619), (2291, 8811), (2581, 7821), (2607, 7743), (2871, 7031), (2937, 6873)]