20346932720

素因数分解:

$2^4\times 5^1\times {\mathrm{254336659}}^1$

素因数の和:254336672

約数の個数: 20

約数和(自身を含む): 47306618760

約数和(自身を除く): 26959686040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 254336659, 508673318, 1017346636, 1271683295, 2034693272, 2543366590, 4069386544, 5086733180, 10173466360, 20346932720]

約数ペア:

[(1, 20346932720), (2, 10173466360), (4, 5086733180), (5, 4069386544), (8, 2543366590), (10, 2034693272), (16, 1271683295), (20, 1017346636), (40, 508673318), (80, 254336659)]