20199851085

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1\times {\mathrm{3163}}^1$

素因数の和:3474

約数の個数: 64

約数和(自身を含む): 34247743488

約数和(自身を除く): 14047892403

約数列:

[1, 3, 5, 15, 23, 69, 107, 115, 173, 321, 345, 519, 535, 865, 1605, 2461, 2595, 3163, 3979, 7383, 9489, 11937, 12305, 15815, 18511, 19895, 36915, 47445, 55533, 59685, 72749, 92555, 218247, 277665, 338441, 363745, 425753, 547199, 1015323, 1091235, 1277259, 1641597, 1692205, 2128765, 2735995, 5076615, 6386295, 7784143, 8207985, 12585577, 23352429, 37756731, 38920715, 58550293, 62927885, 116762145, 175650879, 188783655, 292751465, 878254395, 1346656739, 4039970217, 6733283695, 20199851085]

約数ペア:

[(1, 20199851085), (3, 6733283695), (5, 4039970217), (15, 1346656739), (23, 878254395), (69, 292751465), (107, 188783655), (115, 175650879), (173, 116762145), (321, 62927885), (345, 58550293), (519, 38920715), (535, 37756731), (865, 23352429), (1605, 12585577), (2461, 8207985), (2595, 7784143), (3163, 6386295), (3979, 5076615), (7383, 2735995), (9489, 2128765), (11937, 1692205), (12305, 1641597), (15815, 1277259), (18511, 1091235), (19895, 1015323), (36915, 547199), (47445, 425753), (55533, 363745), (59685, 338441), (72749, 277665), (92555, 218247)]