20163120760

素因数分解:

$2^3\times 5^1\times {\mathrm{2917}}^1\times {\mathrm{172807}}^1$

素因数の和:175735

約数の個数: 32

約数和(自身を含む): 45382836960

約数和(自身を除く): 25219716200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2917, 5834, 11668, 14585, 23336, 29170, 58340, 116680, 172807, 345614, 691228, 864035, 1382456, 1728070, 3456140, 6912280, 504078019, 1008156038, 2016312076, 2520390095, 4032624152, 5040780190, 10081560380, 20163120760]

約数ペア:

[(1, 20163120760), (2, 10081560380), (4, 5040780190), (5, 4032624152), (8, 2520390095), (10, 2016312076), (20, 1008156038), (40, 504078019), (2917, 6912280), (5834, 3456140), (11668, 1728070), (14585, 1382456), (23336, 864035), (29170, 691228), (58340, 345614), (116680, 172807)]