20123930407

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{394409}}^1$

素因数の和:394650

約数の個数: 16

約数和(自身を含む): 23740326720

約数和(自身を除く): 3616396313

約数列:

[1, 7, 37, 197, 259, 1379, 7289, 51023, 394409, 2760863, 14593133, 77698573, 102151931, 543890011, 2874847201, 20123930407]

約数ペア:

[(1, 20123930407), (7, 2874847201), (37, 543890011), (197, 102151931), (259, 77698573), (1379, 14593133), (7289, 2760863), (51023, 394409)]