20520870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40237}}^1$

素因数の和:40264

約数の個数: 32

約数和(自身を含む): 52148448

約数和(自身を除く): 31627578

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 40237, 80474, 120711, 201185, 241422, 402370, 603555, 684029, 1207110, 1368058, 2052087, 3420145, 4104174, 6840290, 10260435, 20520870]

約数ペア:

[(1, 20520870), (2, 10260435), (3, 6840290), (5, 4104174), (6, 3420145), (10, 2052087), (15, 1368058), (17, 1207110), (30, 684029), (34, 603555), (51, 402370), (85, 241422), (102, 201185), (170, 120711), (255, 80474), (510, 40237)]