20629310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1783}}^1$

素因数の和:1892

約数の個数: 32

約数和(自身を含む): 40461120

約数和(自身を除く): 19831810

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 1783, 2314, 3566, 5785, 8915, 11570, 17830, 23179, 46358, 115895, 158687, 231790, 317374, 793435, 1586870, 2062931, 4125862, 10314655, 20629310]

約数ペア:

[(1, 20629310), (2, 10314655), (5, 4125862), (10, 2062931), (13, 1586870), (26, 793435), (65, 317374), (89, 231790), (130, 158687), (178, 115895), (445, 46358), (890, 23179), (1157, 17830), (1783, 11570), (2314, 8915), (3566, 5785)]