20157568681

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{36973}}^1$

素因数の和:37456

約数の個数: 16

約数和(自身を含む): 21344350720

約数和(自身を除く): 1186782039

約数列:

[1, 31, 43, 409, 1333, 12679, 17587, 36973, 545197, 1146163, 1589839, 15121957, 49285009, 468780667, 650244151, 20157568681]

約数ペア:

[(1, 20157568681), (31, 650244151), (43, 468780667), (409, 49285009), (1333, 15121957), (12679, 1589839), (17587, 1146163), (36973, 545197)]