20154674718

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{38371}}^1$

素因数の和:38590

約数の個数: 64

約数和(自身を含む): 45751703040

約数和(自身を除く): 25597028322

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 137, 142, 213, 274, 411, 426, 639, 822, 1233, 1278, 1917, 2466, 3699, 3834, 7398, 9727, 19454, 29181, 38371, 58362, 76742, 87543, 115113, 175086, 230226, 262629, 345339, 525258, 690678, 1036017, 2072034, 2724341, 5256827, 5448682, 8173023, 10513654, 15770481, 16346046, 24519069, 31540962, 47311443, 49038138, 73557207, 94622886, 141934329, 147114414, 283868658, 373234717, 746469434, 1119704151, 2239408302, 3359112453, 6718224906, 10077337359, 20154674718]

約数ペア:

[(1, 20154674718), (2, 10077337359), (3, 6718224906), (6, 3359112453), (9, 2239408302), (18, 1119704151), (27, 746469434), (54, 373234717), (71, 283868658), (137, 147114414), (142, 141934329), (213, 94622886), (274, 73557207), (411, 49038138), (426, 47311443), (639, 31540962), (822, 24519069), (1233, 16346046), (1278, 15770481), (1917, 10513654), (2466, 8173023), (3699, 5448682), (3834, 5256827), (7398, 2724341), (9727, 2072034), (19454, 1036017), (29181, 690678), (38371, 525258), (58362, 345339), (76742, 262629), (87543, 230226), (115113, 175086)]