20199702175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{2441}}^1\times {\mathrm{19471}}^1$

素因数の和:21939

約数の個数: 24

約数和(自身を含む): 26533248192

約数和(自身を除く): 6333546017

約数列:

[1, 5, 17, 25, 85, 425, 2441, 12205, 19471, 41497, 61025, 97355, 207485, 331007, 486775, 1037425, 1655035, 8275175, 47528711, 237643555, 807988087, 1188217775, 4039940435, 20199702175]

約数ペア:

[(1, 20199702175), (5, 4039940435), (17, 1188217775), (25, 807988087), (85, 237643555), (425, 47528711), (2441, 8275175), (12205, 1655035), (19471, 1037425), (41497, 486775), (61025, 331007), (97355, 207485)]