20494020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4679}}^1$

素因数の和:4764

約数の個数: 48

約数和(自身を含む): 58181760

約数和(自身を除く): 37687740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 4679, 9358, 14037, 18716, 23395, 28074, 46790, 56148, 70185, 93580, 140370, 280740, 341567, 683134, 1024701, 1366268, 1707835, 2049402, 3415670, 4098804, 5123505, 6831340, 10247010, 20494020]

約数ペア:

[(1, 20494020), (2, 10247010), (3, 6831340), (4, 5123505), (5, 4098804), (6, 3415670), (10, 2049402), (12, 1707835), (15, 1366268), (20, 1024701), (30, 683134), (60, 341567), (73, 280740), (146, 140370), (219, 93580), (292, 70185), (365, 56148), (438, 46790), (730, 28074), (876, 23395), (1095, 18716), (1460, 14037), (2190, 9358), (4380, 4679)]