20168384

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{3989}}^1$

素因数の和:4080

約数の個数: 28

約数和(自身を含む): 40538400

約数和(自身を除く): 20370016

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 158, 316, 632, 1264, 2528, 3989, 5056, 7978, 15956, 31912, 63824, 127648, 255296, 315131, 630262, 1260524, 2521048, 5042096, 10084192, 20168384]

約数ペア:

[(1, 20168384), (2, 10084192), (4, 5042096), (8, 2521048), (16, 1260524), (32, 630262), (64, 315131), (79, 255296), (158, 127648), (316, 63824), (632, 31912), (1264, 15956), (2528, 7978), (3989, 5056)]