20688010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{617}}^1$

素因数の和:1110

約数の個数: 32

約数和(自身を含む): 42716160

約数和(自身を除く): 22028150

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 479, 617, 958, 1234, 2395, 3085, 3353, 4319, 4790, 6170, 6706, 8638, 16765, 21595, 33530, 43190, 295543, 591086, 1477715, 2068801, 2955430, 4137602, 10344005, 20688010]

約数ペア:

[(1, 20688010), (2, 10344005), (5, 4137602), (7, 2955430), (10, 2068801), (14, 1477715), (35, 591086), (70, 295543), (479, 43190), (617, 33530), (958, 21595), (1234, 16765), (2395, 8638), (3085, 6706), (3353, 6170), (4319, 4790)]