20849904

素因数分解:

$2^4\times 3^2\times {\mathrm{144791}}^1$

素因数の和:144805

約数の個数: 30

約数和(自身を含む): 58351176

約数和(自身を除く): 37501272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 144791, 289582, 434373, 579164, 868746, 1158328, 1303119, 1737492, 2316656, 2606238, 3474984, 5212476, 6949968, 10424952, 20849904]

約数ペア:

[(1, 20849904), (2, 10424952), (3, 6949968), (4, 5212476), (6, 3474984), (8, 2606238), (9, 2316656), (12, 1737492), (16, 1303119), (18, 1158328), (24, 868746), (36, 579164), (48, 434373), (72, 289582), (144, 144791)]