20165990516

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{859}}^1\times {\mathrm{17839}}^1$

素因数の和:18756

約数の個数: 48

約数和(自身を含む): 41240371200

約数和(自身を除く): 21074380684

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 859, 1316, 1718, 3436, 6013, 12026, 17839, 24052, 35678, 40373, 71356, 80746, 124873, 161492, 249746, 282611, 499492, 565222, 838433, 1130444, 1676866, 3353732, 5869031, 11738062, 15323701, 23476124, 30647402, 61294804, 107265907, 214531814, 429063628, 720213947, 1440427894, 2880855788, 5041497629, 10082995258, 20165990516]

約数ペア:

[(1, 20165990516), (2, 10082995258), (4, 5041497629), (7, 2880855788), (14, 1440427894), (28, 720213947), (47, 429063628), (94, 214531814), (188, 107265907), (329, 61294804), (658, 30647402), (859, 23476124), (1316, 15323701), (1718, 11738062), (3436, 5869031), (6013, 3353732), (12026, 1676866), (17839, 1130444), (24052, 838433), (35678, 565222), (40373, 499492), (71356, 282611), (80746, 249746), (124873, 161492)]