20574758

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{7417}}^1$

素因数の和:7511

約数の個数: 16

約数和(自身を含む): 32935920

約数和(自身を除く): 12361162

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 7417, 14834, 140923, 281846, 541441, 1082882, 10287379, 20574758]

約数ペア:

[(1, 20574758), (2, 10287379), (19, 1082882), (38, 541441), (73, 281846), (146, 140923), (1387, 14834), (2774, 7417)]