20359260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5953}}^1$

素因数の和:5987

約数の個数: 72

約数和(自身を含む): 65017680

約数和(自身を除く): 44658420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5953, 11906, 17859, 23812, 29765, 35718, 53577, 59530, 71436, 89295, 107154, 113107, 119060, 178590, 214308, 226214, 267885, 339321, 357180, 452428, 535770, 565535, 678642, 1017963, 1071540, 1131070, 1357284, 1696605, 2035926, 2262140, 3393210, 4071852, 5089815, 6786420, 10179630, 20359260]

約数ペア:

[(1, 20359260), (2, 10179630), (3, 6786420), (4, 5089815), (5, 4071852), (6, 3393210), (9, 2262140), (10, 2035926), (12, 1696605), (15, 1357284), (18, 1131070), (19, 1071540), (20, 1017963), (30, 678642), (36, 565535), (38, 535770), (45, 452428), (57, 357180), (60, 339321), (76, 267885), (90, 226214), (95, 214308), (114, 178590), (171, 119060), (180, 113107), (190, 107154), (228, 89295), (285, 71436), (342, 59530), (380, 53577), (570, 35718), (684, 29765), (855, 23812), (1140, 17859), (1710, 11906), (3420, 5953)]