20170378718

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{141263}}^1$

素因数の和:141357

約数の個数: 48

約数和(自身を含む): 37103837184

約数和(自身を除く): 16933458466

約数列:

[1, 2, 7, 14, 31, 47, 49, 62, 94, 98, 217, 329, 434, 658, 1457, 1519, 2303, 2914, 3038, 4606, 10199, 20398, 71393, 141263, 142786, 282526, 988841, 1977682, 4379153, 6639361, 6921887, 8758306, 13278722, 13843774, 30654071, 46475527, 61308142, 92951054, 205820191, 214578497, 325328689, 411640382, 429156994, 650657378, 1440741337, 2881482674, 10085189359, 20170378718]

約数ペア:

[(1, 20170378718), (2, 10085189359), (7, 2881482674), (14, 1440741337), (31, 650657378), (47, 429156994), (49, 411640382), (62, 325328689), (94, 214578497), (98, 205820191), (217, 92951054), (329, 61308142), (434, 46475527), (658, 30654071), (1457, 13843774), (1519, 13278722), (2303, 8758306), (2914, 6921887), (3038, 6639361), (4606, 4379153), (10199, 1977682), (20398, 988841), (71393, 282526), (141263, 142786)]