20291215412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4939439}}^1$

素因数の和:4939535

約数の個数: 24

約数和(自身を含む): 38725209600

約数和(自身を除く): 18433994188

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 4939439, 9878878, 19757756, 64212707, 128425414, 256850828, 390215681, 780431362, 1560862724, 5072803853, 10145607706, 20291215412]

約数ペア:

[(1, 20291215412), (2, 10145607706), (4, 5072803853), (13, 1560862724), (26, 780431362), (52, 390215681), (79, 256850828), (158, 128425414), (316, 64212707), (1027, 19757756), (2054, 9878878), (4108, 4939439)]