22513720

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2003}}^1$

素因数の和:2295

約数の個数: 32

約数和(自身を含む): 50861520

約数和(自身を除く): 28347800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2003, 2248, 2810, 4006, 5620, 8012, 10015, 11240, 16024, 20030, 40060, 80120, 562843, 1125686, 2251372, 2814215, 4502744, 5628430, 11256860, 22513720]

約数ペア:

[(1, 22513720), (2, 11256860), (4, 5628430), (5, 4502744), (8, 2814215), (10, 2251372), (20, 1125686), (40, 562843), (281, 80120), (562, 40060), (1124, 20030), (1405, 16024), (2003, 11240), (2248, 10015), (2810, 8012), (4006, 5620)]