20668080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86117}}^1$

素因数の和:86133

約数の個数: 40

約数和(自身を含む): 64071792

約数和(自身を除く): 43403712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86117, 172234, 258351, 344468, 430585, 516702, 688936, 861170, 1033404, 1291755, 1377872, 1722340, 2066808, 2583510, 3444680, 4133616, 5167020, 6889360, 10334040, 20668080]

約数ペア:

[(1, 20668080), (2, 10334040), (3, 6889360), (4, 5167020), (5, 4133616), (6, 3444680), (8, 2583510), (10, 2066808), (12, 1722340), (15, 1377872), (16, 1291755), (20, 1033404), (24, 861170), (30, 688936), (40, 516702), (48, 430585), (60, 344468), (80, 258351), (120, 172234), (240, 86117)]