20138040021

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1\times {\mathrm{21517}}^1$

素因数の和:21969

約数の個数: 32

約数和(自身を含む): 29746483200

約数和(自身を除く): 9608443179

約数列:

[1, 3, 11, 33, 79, 237, 359, 869, 1077, 2607, 3949, 11847, 21517, 28361, 64551, 85083, 236687, 311971, 710061, 935913, 1699843, 5099529, 7724603, 18698273, 23173809, 56094819, 84970633, 254911899, 610243637, 1830730911, 6712680007, 20138040021]

約数ペア:

[(1, 20138040021), (3, 6712680007), (11, 1830730911), (33, 610243637), (79, 254911899), (237, 84970633), (359, 56094819), (869, 23173809), (1077, 18698273), (2607, 7724603), (3949, 5099529), (11847, 1699843), (21517, 935913), (28361, 710061), (64551, 311971), (85083, 236687)]