20003185

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 25586496

約数和(自身を除く): 5583311

約数列:

[1, 5, 29, 67, 71, 145, 335, 355, 841, 1943, 2059, 4205, 4757, 9715, 10295, 23785, 56347, 59711, 137953, 281735, 298555, 689765, 4000637, 20003185]

約数ペア:

[(1, 20003185), (5, 4000637), (29, 689765), (67, 298555), (71, 281735), (145, 137953), (335, 59711), (355, 56347), (841, 23785), (1943, 10295), (2059, 9715), (4205, 4757)]