20648898

素因数分解:

$2^1\times 3^3\times {\mathrm{389}}^1\times {\mathrm{983}}^1$

素因数の和:1383

約数の個数: 32

約数和(自身を含む): 46051200

約数和(自身を除く): 25402302

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 389, 778, 983, 1167, 1966, 2334, 2949, 3501, 5898, 7002, 8847, 10503, 17694, 21006, 26541, 53082, 382387, 764774, 1147161, 2294322, 3441483, 6882966, 10324449, 20648898]

約数ペア:

[(1, 20648898), (2, 10324449), (3, 6882966), (6, 3441483), (9, 2294322), (18, 1147161), (27, 764774), (54, 382387), (389, 53082), (778, 26541), (983, 21006), (1167, 17694), (1966, 10503), (2334, 8847), (2949, 7002), (3501, 5898)]