20947633

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{659}}^1$

素因数の和:924

約数の個数: 16

約数和(自身を含む): 25344000

約数和(自身を除く): 4396367

約数列:

[1, 7, 19, 133, 239, 659, 1673, 4541, 4613, 12521, 31787, 87647, 157501, 1102507, 2992519, 20947633]

約数ペア:

[(1, 20947633), (7, 2992519), (19, 1102507), (133, 157501), (239, 87647), (659, 31787), (1673, 12521), (4541, 4613)]