20270913

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{17923}}^1$

素因数の和:17968

約数の個数: 16

約数和(自身を含む): 30112320

約数和(自身を除く): 9841407

約数列:

[1, 3, 13, 29, 39, 87, 377, 1131, 17923, 53769, 232999, 519767, 698997, 1559301, 6756971, 20270913]

約数ペア:

[(1, 20270913), (3, 6756971), (13, 1559301), (29, 698997), (39, 519767), (87, 232999), (377, 53769), (1131, 17923)]