20478118

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1\times {\mathrm{797}}^1$

素因数の和:1271

約数の個数: 16

約数和(自身を含む): 31888080

約数和(自身を除く): 11409962

約数列:

[1, 2, 29, 58, 443, 797, 886, 1594, 12847, 23113, 25694, 46226, 353071, 706142, 10239059, 20478118]

約数ペア:

[(1, 20478118), (2, 10239059), (29, 706142), (58, 353071), (443, 46226), (797, 25694), (886, 23113), (1594, 12847)]