20553856

素因数分解:

$2^7\times {\mathrm{103}}^1\times {\mathrm{1559}}^1$

素因数の和:1676

約数の個数: 32

約数和(自身を含む): 41371200

約数和(自身を除く): 20817344

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 128, 206, 412, 824, 1559, 1648, 3118, 3296, 6236, 6592, 12472, 13184, 24944, 49888, 99776, 160577, 199552, 321154, 642308, 1284616, 2569232, 5138464, 10276928, 20553856]

約数ペア:

[(1, 20553856), (2, 10276928), (4, 5138464), (8, 2569232), (16, 1284616), (32, 642308), (64, 321154), (103, 199552), (128, 160577), (206, 99776), (412, 49888), (824, 24944), (1559, 13184), (1648, 12472), (3118, 6592), (3296, 6236)]