20347560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1949}}^1$

素因数の和:1995

約数の個数: 96

約数和(自身を含む): 68445000

約数和(自身を除く): 48097440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 58, 60, 72, 87, 90, 116, 120, 145, 174, 180, 232, 261, 290, 348, 360, 435, 522, 580, 696, 870, 1044, 1160, 1305, 1740, 1949, 2088, 2610, 3480, 3898, 5220, 5847, 7796, 9745, 10440, 11694, 15592, 17541, 19490, 23388, 29235, 35082, 38980, 46776, 56521, 58470, 70164, 77960, 87705, 113042, 116940, 140328, 169563, 175410, 226084, 233880, 282605, 339126, 350820, 452168, 508689, 565210, 678252, 701640, 847815, 1017378, 1130420, 1356504, 1695630, 2034756, 2260840, 2543445, 3391260, 4069512, 5086890, 6782520, 10173780, 20347560]

約数ペア:

[(1, 20347560), (2, 10173780), (3, 6782520), (4, 5086890), (5, 4069512), (6, 3391260), (8, 2543445), (9, 2260840), (10, 2034756), (12, 1695630), (15, 1356504), (18, 1130420), (20, 1017378), (24, 847815), (29, 701640), (30, 678252), (36, 565210), (40, 508689), (45, 452168), (58, 350820), (60, 339126), (72, 282605), (87, 233880), (90, 226084), (116, 175410), (120, 169563), (145, 140328), (174, 116940), (180, 113042), (232, 87705), (261, 77960), (290, 70164), (348, 58470), (360, 56521), (435, 46776), (522, 38980), (580, 35082), (696, 29235), (870, 23388), (1044, 19490), (1160, 17541), (1305, 15592), (1740, 11694), (1949, 10440), (2088, 9745), (2610, 7796), (3480, 5847), (3898, 5220)]