20001950

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{17393}}^1$

素因数の和:17428

約数の個数: 24

約数和(自身を含む): 38823408

約数和(自身を除く): 18821458

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 17393, 34786, 86965, 173930, 400039, 434825, 800078, 869650, 2000195, 4000390, 10000975, 20001950]

約数ペア:

[(1, 20001950), (2, 10000975), (5, 4000390), (10, 2000195), (23, 869650), (25, 800078), (46, 434825), (50, 400039), (115, 173930), (230, 86965), (575, 34786), (1150, 17393)]