9906920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{857}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 23706540

約数和(自身を除く): 13799620

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 857, 1156, 1445, 1714, 2312, 2890, 3428, 4285, 5780, 6856, 8570, 11560, 14569, 17140, 29138, 34280, 58276, 72845, 116552, 145690, 247673, 291380, 495346, 582760, 990692, 1238365, 1981384, 2476730, 4953460, 9906920]

約数ペア:

[(1, 9906920), (2, 4953460), (4, 2476730), (5, 1981384), (8, 1238365), (10, 990692), (17, 582760), (20, 495346), (34, 291380), (40, 247673), (68, 145690), (85, 116552), (136, 72845), (170, 58276), (289, 34280), (340, 29138), (578, 17140), (680, 14569), (857, 11560), (1156, 8570), (1445, 6856), (1714, 5780), (2312, 4285), (2890, 3428)]