20188075461

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{27901}}^1$

素因数の和:28097

約数の個数: 32

約数和(自身を含む): 28285931520

約数和(自身を除く): 8097856059

約数列:

[1, 3, 43, 71, 79, 129, 213, 237, 3053, 3397, 5609, 9159, 10191, 16827, 27901, 83703, 241187, 723561, 1199743, 1980971, 2204179, 3599229, 5942913, 6612537, 85181753, 94779697, 156496709, 255545259, 284339091, 469490127, 6729358487, 20188075461]

約数ペア:

[(1, 20188075461), (3, 6729358487), (43, 469490127), (71, 284339091), (79, 255545259), (129, 156496709), (213, 94779697), (237, 85181753), (3053, 6612537), (3397, 5942913), (5609, 3599229), (9159, 2204179), (10191, 1980971), (16827, 1199743), (27901, 723561), (83703, 241187)]