20349956788

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{150131}}^1$

素因数の和:150292

約数の個数: 48

約数和(自身を含む): 41969700864

約数和(自身を除く): 21619744076

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 103, 188, 206, 329, 412, 658, 721, 1316, 1442, 2884, 4841, 9682, 19364, 33887, 67774, 135548, 150131, 300262, 600524, 1050917, 2101834, 4203668, 7056157, 14112314, 15463493, 28224628, 30926986, 49393099, 61853972, 98786198, 108244451, 197572396, 216488902, 432977804, 726784171, 1453568342, 2907136684, 5087489197, 10174978394, 20349956788]

約数ペア:

[(1, 20349956788), (2, 10174978394), (4, 5087489197), (7, 2907136684), (14, 1453568342), (28, 726784171), (47, 432977804), (94, 216488902), (103, 197572396), (188, 108244451), (206, 98786198), (329, 61853972), (412, 49393099), (658, 30926986), (721, 28224628), (1316, 15463493), (1442, 14112314), (2884, 7056157), (4841, 4203668), (9682, 2101834), (19364, 1050917), (33887, 600524), (67774, 300262), (135548, 150131)]