20703388

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{823}}^1$

素因数の和:1177

約数の個数: 24

約数和(自身を含む): 38299520

約数和(自身を除く): 17596132

約数列:

[1, 2, 4, 19, 38, 76, 331, 662, 823, 1324, 1646, 3292, 6289, 12578, 15637, 25156, 31274, 62548, 272413, 544826, 1089652, 5175847, 10351694, 20703388]

約数ペア:

[(1, 20703388), (2, 10351694), (4, 5175847), (19, 1089652), (38, 544826), (76, 272413), (331, 62548), (662, 31274), (823, 25156), (1324, 15637), (1646, 12578), (3292, 6289)]