20180743484

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{569}}^1\times {\mathrm{577}}^1$

素因数の和:1299

約数の個数: 72

約数和(自身を含む): 39261089280

約数和(自身を除く): 19080345796

約数列:

[1, 2, 4, 11, 22, 44, 121, 127, 242, 254, 484, 508, 569, 577, 1138, 1154, 1397, 2276, 2308, 2794, 5588, 6259, 6347, 12518, 12694, 15367, 25036, 25388, 30734, 61468, 68849, 69817, 72263, 73279, 137698, 139634, 144526, 146558, 275396, 279268, 289052, 293116, 328313, 656626, 794893, 806069, 1313252, 1589786, 1612138, 3179572, 3224276, 3611443, 7222886, 8743823, 8866759, 14445772, 17487646, 17733518, 34975292, 35467036, 39725873, 41695751, 79451746, 83391502, 158903492, 166783004, 458653261, 917306522, 1834613044, 5045185871, 10090371742, 20180743484]

約数ペア:

[(1, 20180743484), (2, 10090371742), (4, 5045185871), (11, 1834613044), (22, 917306522), (44, 458653261), (121, 166783004), (127, 158903492), (242, 83391502), (254, 79451746), (484, 41695751), (508, 39725873), (569, 35467036), (577, 34975292), (1138, 17733518), (1154, 17487646), (1397, 14445772), (2276, 8866759), (2308, 8743823), (2794, 7222886), (5588, 3611443), (6259, 3224276), (6347, 3179572), (12518, 1612138), (12694, 1589786), (15367, 1313252), (25036, 806069), (25388, 794893), (30734, 656626), (61468, 328313), (68849, 293116), (69817, 289052), (72263, 279268), (73279, 275396), (137698, 146558), (139634, 144526)]