20617898

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1181}}^1$

素因数の和:1262

約数の個数: 32

約数和(自身を含む): 37445760

約数和(自身を除く): 16827862

約数列:

[1, 2, 7, 14, 29, 43, 58, 86, 203, 301, 406, 602, 1181, 1247, 2362, 2494, 8267, 8729, 16534, 17458, 34249, 50783, 68498, 101566, 239743, 355481, 479486, 710962, 1472707, 2945414, 10308949, 20617898]

約数ペア:

[(1, 20617898), (2, 10308949), (7, 2945414), (14, 1472707), (29, 710962), (43, 479486), (58, 355481), (86, 239743), (203, 101566), (301, 68498), (406, 50783), (602, 34249), (1181, 17458), (1247, 16534), (2362, 8729), (2494, 8267)]