20199832490

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1\times {\mathrm{1879}}^1$

素因数の和:2279

約数の個数: 64

約数和(自身を含む): 37716710400

約数和(自身を除く): 17516877910

約数列:

[1, 2, 5, 10, 47, 89, 94, 178, 235, 257, 445, 470, 514, 890, 1285, 1879, 2570, 3758, 4183, 8366, 9395, 12079, 18790, 20915, 22873, 24158, 41830, 45746, 60395, 88313, 114365, 120790, 167231, 176626, 228730, 334462, 441565, 482903, 836155, 883130, 965806, 1075031, 1672310, 2150062, 2414515, 4829030, 5375155, 7859857, 10750310, 15719714, 22696441, 39299285, 42978367, 45392882, 78598570, 85956734, 113482205, 214891835, 226964410, 429783670, 2019983249, 4039966498, 10099916245, 20199832490]

約数ペア:

[(1, 20199832490), (2, 10099916245), (5, 4039966498), (10, 2019983249), (47, 429783670), (89, 226964410), (94, 214891835), (178, 113482205), (235, 85956734), (257, 78598570), (445, 45392882), (470, 42978367), (514, 39299285), (890, 22696441), (1285, 15719714), (1879, 10750310), (2570, 7859857), (3758, 5375155), (4183, 4829030), (8366, 2414515), (9395, 2150062), (12079, 1672310), (18790, 1075031), (20915, 965806), (22873, 883130), (24158, 836155), (41830, 482903), (45746, 441565), (60395, 334462), (88313, 228730), (114365, 176626), (120790, 167231)]