20171461284

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{2791}}^1\times {\mathrm{15443}}^1$

素因数の和:18257

約数の個数: 72

約数和(自身を含む): 54934431552

約数和(自身を除く): 34762970268

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 2791, 5582, 8373, 11164, 15443, 16746, 25119, 30886, 33492, 36283, 46329, 50238, 61772, 72566, 92658, 100476, 108849, 138987, 145132, 185316, 200759, 217698, 277974, 326547, 401518, 435396, 555948, 602277, 653094, 803036, 1204554, 1306188, 1806831, 2409108, 3613662, 7227324, 43101413, 86202826, 129304239, 172405652, 258608478, 387912717, 517216956, 560318369, 775825434, 1120636738, 1551650868, 1680955107, 2241273476, 3361910214, 5042865321, 6723820428, 10085730642, 20171461284]

約数ペア:

[(1, 20171461284), (2, 10085730642), (3, 6723820428), (4, 5042865321), (6, 3361910214), (9, 2241273476), (12, 1680955107), (13, 1551650868), (18, 1120636738), (26, 775825434), (36, 560318369), (39, 517216956), (52, 387912717), (78, 258608478), (117, 172405652), (156, 129304239), (234, 86202826), (468, 43101413), (2791, 7227324), (5582, 3613662), (8373, 2409108), (11164, 1806831), (15443, 1306188), (16746, 1204554), (25119, 803036), (30886, 653094), (33492, 602277), (36283, 555948), (46329, 435396), (50238, 401518), (61772, 326547), (72566, 277974), (92658, 217698), (100476, 200759), (108849, 185316), (138987, 145132)]