20229020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1103}}^1$

素因数の和:1250

約数の個数: 48

約数和(自身を含む): 48964608

約数和(自身を除く): 28735588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1103, 1310, 1834, 2206, 2620, 3668, 4412, 4585, 5515, 7721, 9170, 11030, 15442, 18340, 22060, 30884, 38605, 77210, 144493, 154420, 288986, 577972, 722465, 1011451, 1444930, 2022902, 2889860, 4045804, 5057255, 10114510, 20229020]

約数ペア:

[(1, 20229020), (2, 10114510), (4, 5057255), (5, 4045804), (7, 2889860), (10, 2022902), (14, 1444930), (20, 1011451), (28, 722465), (35, 577972), (70, 288986), (131, 154420), (140, 144493), (262, 77210), (524, 38605), (655, 30884), (917, 22060), (1103, 18340), (1310, 15442), (1834, 11030), (2206, 9170), (2620, 7721), (3668, 5515), (4412, 4585)]