20465048970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{431479}}^1$

素因数の和:431540

約数の個数: 96

約数和(自身を含む): 58156600320

約数和(自身を除く): 37691551350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 31, 34, 45, 51, 62, 85, 90, 93, 102, 153, 155, 170, 186, 255, 279, 306, 310, 465, 510, 527, 558, 765, 930, 1054, 1395, 1530, 1581, 2635, 2790, 3162, 4743, 5270, 7905, 9486, 15810, 23715, 47430, 431479, 862958, 1294437, 2157395, 2588874, 3883311, 4314790, 6472185, 7335143, 7766622, 12944370, 13375849, 14670286, 19416555, 22005429, 26751698, 36675715, 38833110, 40127547, 44010858, 66016287, 66879245, 73351430, 80255094, 110027145, 120382641, 132032574, 133758490, 200637735, 220054290, 227389433, 240765282, 330081435, 401275470, 454778866, 601913205, 660162870, 682168299, 1136947165, 1203826410, 1364336598, 2046504897, 2273894330, 3410841495, 4093009794, 6821682990, 10232524485, 20465048970]

約数ペア:

[(1, 20465048970), (2, 10232524485), (3, 6821682990), (5, 4093009794), (6, 3410841495), (9, 2273894330), (10, 2046504897), (15, 1364336598), (17, 1203826410), (18, 1136947165), (30, 682168299), (31, 660162870), (34, 601913205), (45, 454778866), (51, 401275470), (62, 330081435), (85, 240765282), (90, 227389433), (93, 220054290), (102, 200637735), (153, 133758490), (155, 132032574), (170, 120382641), (186, 110027145), (255, 80255094), (279, 73351430), (306, 66879245), (310, 66016287), (465, 44010858), (510, 40127547), (527, 38833110), (558, 36675715), (765, 26751698), (930, 22005429), (1054, 19416555), (1395, 14670286), (1530, 13375849), (1581, 12944370), (2635, 7766622), (2790, 7335143), (3162, 6472185), (4743, 4314790), (5270, 3883311), (7905, 2588874), (9486, 2157395), (15810, 1294437), (23715, 862958), (47430, 431479)]