2021201620

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{6827}}^1$

素因数の和:7080

約数の個数: 48

約数和(自身を含む): 4315405248

約数和(自身を除く): 2294203628

約数列:

[1, 2, 4, 5, 10, 20, 113, 131, 226, 262, 452, 524, 565, 655, 1130, 1310, 2260, 2620, 6827, 13654, 14803, 27308, 29606, 34135, 59212, 68270, 74015, 136540, 148030, 296060, 771451, 894337, 1542902, 1788674, 3085804, 3577348, 3857255, 4471685, 7714510, 8943370, 15429020, 17886740, 101060081, 202120162, 404240324, 505300405, 1010600810, 2021201620]

約数ペア:

[(1, 2021201620), (2, 1010600810), (4, 505300405), (5, 404240324), (10, 202120162), (20, 101060081), (113, 17886740), (131, 15429020), (226, 8943370), (262, 7714510), (452, 4471685), (524, 3857255), (565, 3577348), (655, 3085804), (1130, 1788674), (1310, 1542902), (2260, 894337), (2620, 771451), (6827, 296060), (13654, 148030), (14803, 136540), (27308, 74015), (29606, 68270), (34135, 59212)]