20183385988

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{1019}}^1\times {\mathrm{12107}}^1$

素因数の和:13539

約数の個数: 24

約数和(自身を含む): 35444959200

約数和(自身を除く): 15261573212

約数列:

[1, 2, 4, 409, 818, 1019, 1636, 2038, 4076, 12107, 24214, 48428, 416771, 833542, 1667084, 4951763, 9903526, 12337033, 19807052, 24674066, 49348132, 5045846497, 10091692994, 20183385988]

約数ペア:

[(1, 20183385988), (2, 10091692994), (4, 5045846497), (409, 49348132), (818, 24674066), (1019, 19807052), (1636, 12337033), (2038, 9903526), (4076, 4951763), (12107, 1667084), (24214, 833542), (48428, 416771)]