20173842031

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1\times {\mathrm{2137}}^1$

素因数の和:2663

約数の個数: 32

約数和(自身を含む): 23962019840

約数和(自身を除く): 3788177809

約数列:

[1, 7, 43, 79, 301, 397, 553, 2137, 2779, 3397, 14959, 17071, 23779, 31363, 91891, 119497, 168823, 219541, 643237, 848389, 1181761, 1348609, 5938723, 7259389, 9440263, 36480727, 50815723, 67022731, 255365089, 469159117, 2881977433, 20173842031]

約数ペア:

[(1, 20173842031), (7, 2881977433), (43, 469159117), (79, 255365089), (301, 67022731), (397, 50815723), (553, 36480727), (2137, 9440263), (2779, 7259389), (3397, 5938723), (14959, 1348609), (17071, 1181761), (23779, 848389), (31363, 643237), (91891, 219541), (119497, 168823)]