20117320

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1327}}^1$

素因数の和:1717

約数の個数: 32

約数和(自身を含む): 45417600

約数和(自身を除く): 25300280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1327, 1516, 1895, 2654, 3032, 3790, 5308, 6635, 7580, 10616, 13270, 15160, 26540, 53080, 502933, 1005866, 2011732, 2514665, 4023464, 5029330, 10058660, 20117320]

約数ペア:

[(1, 20117320), (2, 10058660), (4, 5029330), (5, 4023464), (8, 2514665), (10, 2011732), (20, 1005866), (40, 502933), (379, 53080), (758, 26540), (1327, 15160), (1516, 13270), (1895, 10616), (2654, 7580), (3032, 6635), (3790, 5308)]