20502238

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:564

約数の個数: 24

約数和(自身を含む): 33156000

約数和(自身を除く): 12653762

約数列:

[1, 2, 17, 34, 79, 158, 289, 449, 578, 898, 1343, 2686, 7633, 15266, 22831, 35471, 45662, 70942, 129761, 259522, 603007, 1206014, 10251119, 20502238]

約数ペア:

[(1, 20502238), (2, 10251119), (17, 1206014), (34, 603007), (79, 259522), (158, 129761), (289, 70942), (449, 45662), (578, 35471), (898, 22831), (1343, 15266), (2686, 7633)]