20060131

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:611

約数の個数: 24

約数和(自身を含む): 25672704

約数和(自身を除く): 5612573

約数列:

[1, 7, 13, 31, 91, 169, 217, 403, 547, 1183, 2821, 3829, 5239, 7111, 16957, 36673, 49777, 92443, 118699, 220441, 647101, 1543087, 2865733, 20060131]

約数ペア:

[(1, 20060131), (7, 2865733), (13, 1543087), (31, 647101), (91, 220441), (169, 118699), (217, 92443), (403, 49777), (547, 36673), (1183, 16957), (2821, 7111), (3829, 5239)]