20389982

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{1723}}^1$

素因数の和:1883

約数の個数: 16

約数和(自身を含む): 31425072

約数和(自身を除く): 11035090

約数列:

[1, 2, 61, 97, 122, 194, 1723, 3446, 5917, 11834, 105103, 167131, 210206, 334262, 10194991, 20389982]

約数ペア:

[(1, 20389982), (2, 10194991), (61, 334262), (97, 210206), (122, 167131), (194, 105103), (1723, 11834), (3446, 5917)]