20542188

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{997}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 51305184

約数和(自身を除く): 30762996

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 101, 102, 202, 204, 303, 404, 606, 997, 1212, 1717, 1994, 2991, 3434, 3988, 5151, 5982, 6868, 10302, 11964, 16949, 20604, 33898, 50847, 67796, 100697, 101694, 201394, 203388, 302091, 402788, 604182, 1208364, 1711849, 3423698, 5135547, 6847396, 10271094, 20542188]

約数ペア:

[(1, 20542188), (2, 10271094), (3, 6847396), (4, 5135547), (6, 3423698), (12, 1711849), (17, 1208364), (34, 604182), (51, 402788), (68, 302091), (101, 203388), (102, 201394), (202, 101694), (204, 100697), (303, 67796), (404, 50847), (606, 33898), (997, 20604), (1212, 16949), (1717, 11964), (1994, 10302), (2991, 6868), (3434, 5982), (3988, 5151)]