20202979

素因数分解:

${\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:306

約数の個数: 16

約数和(自身を含む): 21620736

約数和(自身を除く): 1417757

約数列:

[1, 31, 67, 71, 137, 2077, 2201, 4247, 4757, 9179, 9727, 147467, 284549, 301537, 651709, 20202979]

約数ペア:

[(1, 20202979), (31, 651709), (67, 301537), (71, 284549), (137, 147467), (2077, 9727), (2201, 9179), (4247, 4757)]