20109638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 33623040

約数和(自身を除く): 13513402

約数列:

[1, 2, 19, 31, 38, 43, 62, 86, 397, 589, 794, 817, 1178, 1333, 1634, 2666, 7543, 12307, 15086, 17071, 24614, 25327, 34142, 50654, 233833, 324349, 467666, 529201, 648698, 1058402, 10054819, 20109638]

約数ペア:

[(1, 20109638), (2, 10054819), (19, 1058402), (31, 648698), (38, 529201), (43, 467666), (62, 324349), (86, 233833), (397, 50654), (589, 34142), (794, 25327), (817, 24614), (1178, 17071), (1333, 15086), (1634, 12307), (2666, 7543)]