20177996209

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{436687}}^1$

素因数の和:436765

約数の個数: 24

約数和(自身を含む): 25090345728

約数和(自身を除く): 4912349519

約数列:

[1, 7, 23, 41, 49, 161, 287, 943, 1127, 2009, 6601, 46207, 436687, 3056809, 10043801, 17904167, 21397663, 70306607, 125329169, 411795841, 492146249, 877304183, 2882570887, 20177996209]

約数ペア:

[(1, 20177996209), (7, 2882570887), (23, 877304183), (41, 492146249), (49, 411795841), (161, 125329169), (287, 70306607), (943, 21397663), (1127, 17904167), (2009, 10043801), (6601, 3056809), (46207, 436687)]