20979830908

素因数分解:

$2^2\times {\mathrm{181}}^1\times {\mathrm{5209}}^1\times {\mathrm{5563}}^1$

素因数の和:10957

約数の個数: 24

約数和(自身を含む): 36931272560

約数和(自身を除く): 15951441652

約数列:

[1, 2, 4, 181, 362, 724, 5209, 5563, 10418, 11126, 20836, 22252, 942829, 1006903, 1885658, 2013806, 3771316, 4027612, 28977667, 57955334, 115910668, 5244957727, 10489915454, 20979830908]

約数ペア:

[(1, 20979830908), (2, 10489915454), (4, 5244957727), (181, 115910668), (362, 57955334), (724, 28977667), (5209, 4027612), (5563, 3771316), (10418, 2013806), (11126, 1885658), (20836, 1006903), (22252, 942829)]