20478349

素因数分解:

${\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:324

約数の個数: 16

約数和(自身を含む): 22071168

約数和(自身を除く): 1592819

約数列:

[1, 23, 67, 97, 137, 1541, 2231, 3151, 6499, 9179, 13289, 149477, 211117, 305647, 890363, 20478349]

約数ペア:

[(1, 20478349), (23, 890363), (67, 305647), (97, 211117), (137, 149477), (1541, 13289), (2231, 9179), (3151, 6499)]