20184466545

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1\times {\mathrm{2671}}^1$

素因数の和:3132

約数の個数: 80

約数和(自身を含む): 37059314688

約数和(自身を除く): 16874848143

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 397, 405, 423, 705, 1191, 1269, 1985, 2115, 2671, 3573, 3807, 5955, 6345, 8013, 10719, 13355, 17865, 18659, 19035, 24039, 32157, 40065, 53595, 55977, 72117, 93295, 120195, 125537, 160785, 167931, 216351, 279885, 360585, 376611, 503793, 627685, 839655, 1060387, 1081755, 1129833, 1511379, 1883055, 2518965, 3181161, 3389499, 5301935, 5649165, 7556895, 9543483, 10168497, 15905805, 16947495, 28630449, 47717415, 49838189, 50842485, 85891347, 143152245, 149514567, 249190945, 429456735, 448543701, 747572835, 1345631103, 2242718505, 4036893309, 6728155515, 20184466545]

約数ペア:

[(1, 20184466545), (3, 6728155515), (5, 4036893309), (9, 2242718505), (15, 1345631103), (27, 747572835), (45, 448543701), (47, 429456735), (81, 249190945), (135, 149514567), (141, 143152245), (235, 85891347), (397, 50842485), (405, 49838189), (423, 47717415), (705, 28630449), (1191, 16947495), (1269, 15905805), (1985, 10168497), (2115, 9543483), (2671, 7556895), (3573, 5649165), (3807, 5301935), (5955, 3389499), (6345, 3181161), (8013, 2518965), (10719, 1883055), (13355, 1511379), (17865, 1129833), (18659, 1081755), (19035, 1060387), (24039, 839655), (32157, 627685), (40065, 503793), (53595, 376611), (55977, 360585), (72117, 279885), (93295, 216351), (120195, 167931), (125537, 160785)]