20728045368

素因数分解:

$2^3\times 3^3\times {\mathrm{199}}^1\times {\mathrm{482227}}^1$

素因数の和:482441

約数の個数: 64

約数和(自身を含む): 57867360000

約数和(自身を除く): 37139314632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 199, 216, 398, 597, 796, 1194, 1592, 1791, 2388, 3582, 4776, 5373, 7164, 10746, 14328, 21492, 42984, 482227, 964454, 1446681, 1928908, 2893362, 3857816, 4340043, 5786724, 8680086, 11573448, 13020129, 17360172, 26040258, 34720344, 52080516, 95963173, 104161032, 191926346, 287889519, 383852692, 575779038, 767705384, 863668557, 1151558076, 1727337114, 2303116152, 2591005671, 3454674228, 5182011342, 6909348456, 10364022684, 20728045368]

約数ペア:

[(1, 20728045368), (2, 10364022684), (3, 6909348456), (4, 5182011342), (6, 3454674228), (8, 2591005671), (9, 2303116152), (12, 1727337114), (18, 1151558076), (24, 863668557), (27, 767705384), (36, 575779038), (54, 383852692), (72, 287889519), (108, 191926346), (199, 104161032), (216, 95963173), (398, 52080516), (597, 34720344), (796, 26040258), (1194, 17360172), (1592, 13020129), (1791, 11573448), (2388, 8680086), (3582, 5786724), (4776, 4340043), (5373, 3857816), (7164, 2893362), (10746, 1928908), (14328, 1446681), (21492, 964454), (42984, 482227)]