20094920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12253}}^1$

素因数の和:12305

約数の個数: 32

約数和(自身を含む): 46320120

約数和(自身を除く): 26225200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 12253, 24506, 49012, 61265, 98024, 122530, 245060, 490120, 502373, 1004746, 2009492, 2511865, 4018984, 5023730, 10047460, 20094920]

約数ペア:

[(1, 20094920), (2, 10047460), (4, 5023730), (5, 4018984), (8, 2511865), (10, 2009492), (20, 1004746), (40, 502373), (41, 490120), (82, 245060), (164, 122530), (205, 98024), (328, 61265), (410, 49012), (820, 24506), (1640, 12253)]