20440982015

素因数分解:

$5^1\times {\mathrm{257}}^1\times {\mathrm{1553}}^1\times {\mathrm{10243}}^1$

素因数の和:12058

約数の個数: 16

約数和(自身を含む): 24642884448

約数和(自身を除く): 4201902433

約数列:

[1, 5, 257, 1285, 1553, 7765, 10243, 51215, 399121, 1995605, 2632451, 13162255, 15907379, 79536895, 4088196403, 20440982015]

約数ペア:

[(1, 20440982015), (5, 4088196403), (257, 79536895), (1285, 15907379), (1553, 13162255), (7765, 2632451), (10243, 1995605), (51215, 399121)]