20713578

素因数分解:

$2^1\times 3^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 42287616

約数和(自身を除く): 21574038

約数列:

[1, 2, 3, 6, 113, 137, 223, 226, 274, 339, 411, 446, 669, 678, 822, 1338, 15481, 25199, 30551, 30962, 46443, 50398, 61102, 75597, 91653, 92886, 151194, 183306, 3452263, 6904526, 10356789, 20713578]

約数ペア:

[(1, 20713578), (2, 10356789), (3, 6904526), (6, 3452263), (113, 183306), (137, 151194), (223, 92886), (226, 91653), (274, 75597), (339, 61102), (411, 50398), (446, 46443), (669, 30962), (678, 30551), (822, 25199), (1338, 15481)]