20854880

素因数分解:

$2^5\times 5^1\times {\mathrm{130343}}^1$

素因数の和:130358

約数の個数: 24

約数和(自身を含む): 49270032

約数和(自身を除く): 28415152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 130343, 260686, 521372, 651715, 1042744, 1303430, 2085488, 2606860, 4170976, 5213720, 10427440, 20854880]

約数ペア:

[(1, 20854880), (2, 10427440), (4, 5213720), (5, 4170976), (8, 2606860), (10, 2085488), (16, 1303430), (20, 1042744), (32, 651715), (40, 521372), (80, 260686), (160, 130343)]