20997798

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{120677}}^1$

素因数の和:120711

約数の個数: 16

約数和(自身を含む): 43444080

約数和(自身を除く): 22446282

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 120677, 241354, 362031, 724062, 3499633, 6999266, 10498899, 20997798]

約数ペア:

[(1, 20997798), (2, 10498899), (3, 6999266), (6, 3499633), (29, 724062), (58, 362031), (87, 241354), (174, 120677)]