20442784

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{33623}}^1$

素因数の和:33652

約数の個数: 24

約数和(自身を含む): 42366240

約数和(自身を除く): 21923456

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 33623, 67246, 134492, 268984, 537968, 638837, 1075936, 1277674, 2555348, 5110696, 10221392, 20442784]

約数ペア:

[(1, 20442784), (2, 10221392), (4, 5110696), (8, 2555348), (16, 1277674), (19, 1075936), (32, 638837), (38, 537968), (76, 268984), (152, 134492), (304, 67246), (608, 33623)]