20123290443

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{14519}}^1$

素因数の和:14819

約数の個数: 32

約数和(自身を含む): 28226880000

約数和(自身を除く): 8103589557

約数列:

[1, 3, 29, 87, 89, 179, 267, 537, 2581, 5191, 7743, 14519, 15573, 15931, 43557, 47793, 421051, 461999, 1263153, 1292191, 1385997, 2598901, 3876573, 7796703, 37473539, 75368129, 112420617, 226104387, 231302189, 693906567, 6707763481, 20123290443]

約数ペア:

[(1, 20123290443), (3, 6707763481), (29, 693906567), (87, 231302189), (89, 226104387), (179, 112420617), (267, 75368129), (537, 37473539), (2581, 7796703), (5191, 3876573), (7743, 2598901), (14519, 1385997), (15573, 1292191), (15931, 1263153), (43557, 461999), (47793, 421051)]