39920420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{117413}}^1$

素因数の和:117439

約数の個数: 24

約数和(自身を含む): 88764984

約数和(自身を除く): 48844564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 117413, 234826, 469652, 587065, 1174130, 1996021, 2348260, 3992042, 7984084, 9980105, 19960210, 39920420]

約数ペア:

[(1, 39920420), (2, 19960210), (4, 9980105), (5, 7984084), (10, 3992042), (17, 2348260), (20, 1996021), (34, 1174130), (68, 587065), (85, 469652), (170, 234826), (340, 117413)]