20128740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9067}}^1$

素因数の和:9116

約数の個数: 48

約数和(自身を含む): 57890112

約数和(自身を除く): 37761372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9067, 18134, 27201, 36268, 45335, 54402, 90670, 108804, 136005, 181340, 272010, 335479, 544020, 670958, 1006437, 1341916, 1677395, 2012874, 3354790, 4025748, 5032185, 6709580, 10064370, 20128740]

約数ペア:

[(1, 20128740), (2, 10064370), (3, 6709580), (4, 5032185), (5, 4025748), (6, 3354790), (10, 2012874), (12, 1677395), (15, 1341916), (20, 1006437), (30, 670958), (37, 544020), (60, 335479), (74, 272010), (111, 181340), (148, 136005), (185, 108804), (222, 90670), (370, 54402), (444, 45335), (555, 36268), (740, 27201), (1110, 18134), (2220, 9067)]