20367207

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2113}}^1$

素因数の和:2149

約数の個数: 40

約数和(自身を含む): 36834336

約数和(自身を除く): 16467129

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 357, 459, 567, 1071, 1377, 2113, 3213, 6339, 9639, 14791, 19017, 35921, 44373, 57051, 107763, 133119, 171153, 251447, 323289, 399357, 754341, 969867, 1198071, 2263023, 2909601, 6789069, 20367207]

約数ペア:

[(1, 20367207), (3, 6789069), (7, 2909601), (9, 2263023), (17, 1198071), (21, 969867), (27, 754341), (51, 399357), (63, 323289), (81, 251447), (119, 171153), (153, 133119), (189, 107763), (357, 57051), (459, 44373), (567, 35921), (1071, 19017), (1377, 14791), (2113, 9639), (3213, 6339)]