20660814

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{269}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 47764080

約数和(自身を除く): 27103266

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 251, 269, 306, 502, 538, 753, 807, 1506, 1614, 2259, 2421, 4267, 4518, 4573, 4842, 8534, 9146, 12801, 13719, 25602, 27438, 38403, 41157, 67519, 76806, 82314, 135038, 202557, 405114, 607671, 1147823, 1215342, 2295646, 3443469, 6886938, 10330407, 20660814]

約数ペア:

[(1, 20660814), (2, 10330407), (3, 6886938), (6, 3443469), (9, 2295646), (17, 1215342), (18, 1147823), (34, 607671), (51, 405114), (102, 202557), (153, 135038), (251, 82314), (269, 76806), (306, 67519), (502, 41157), (538, 38403), (753, 27438), (807, 25602), (1506, 13719), (1614, 12801), (2259, 9146), (2421, 8534), (4267, 4842), (4518, 4573)]