20165499088

素因数分解:

$2^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{367}}^1\times {\mathrm{3581}}^1$

素因数の和:4100

約数の個数: 80

約数和(自身を含む): 45113255424

約数和(自身を除く): 24947756336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 137, 274, 367, 548, 734, 959, 1096, 1468, 1918, 2192, 2569, 2936, 3581, 3836, 5138, 5872, 7162, 7672, 10276, 14324, 15344, 20552, 25067, 28648, 41104, 50134, 50279, 57296, 100268, 100558, 200536, 201116, 351953, 401072, 402232, 490597, 703906, 804464, 981194, 1314227, 1407812, 1962388, 2628454, 2815624, 3434179, 3924776, 5256908, 5631248, 6868358, 7849552, 9199589, 10513816, 13736716, 18399178, 21027632, 27473432, 36798356, 54946864, 73596712, 147193424, 180049099, 360098198, 720196396, 1260343693, 1440392792, 2520687386, 2880785584, 5041374772, 10082749544, 20165499088]

約数ペア:

[(1, 20165499088), (2, 10082749544), (4, 5041374772), (7, 2880785584), (8, 2520687386), (14, 1440392792), (16, 1260343693), (28, 720196396), (56, 360098198), (112, 180049099), (137, 147193424), (274, 73596712), (367, 54946864), (548, 36798356), (734, 27473432), (959, 21027632), (1096, 18399178), (1468, 13736716), (1918, 10513816), (2192, 9199589), (2569, 7849552), (2936, 6868358), (3581, 5631248), (3836, 5256908), (5138, 3924776), (5872, 3434179), (7162, 2815624), (7672, 2628454), (10276, 1962388), (14324, 1407812), (15344, 1314227), (20552, 981194), (25067, 804464), (28648, 703906), (41104, 490597), (50134, 402232), (50279, 401072), (57296, 351953), (100268, 201116), (100558, 200536)]