20216954313

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{494677}}^1$

素因数の和:494941

約数の個数: 24

約数和(自身を含む): 30867907200

約数和(自身を除く): 10650952887

約数列:

[1, 3, 9, 19, 57, 171, 239, 717, 2151, 4541, 13623, 40869, 494677, 1484031, 4452093, 9398863, 28196589, 84589767, 118227803, 354683409, 1064050227, 2246328257, 6738984771, 20216954313]

約数ペア:

[(1, 20216954313), (3, 6738984771), (9, 2246328257), (19, 1064050227), (57, 354683409), (171, 118227803), (239, 84589767), (717, 28196589), (2151, 9398863), (4541, 4452093), (13623, 1484031), (40869, 494677)]