20712600

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:370

約数の個数: 144

約数和(自身を含む): 71669520

約数和(自身を除く): 50956920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 37, 40, 45, 50, 60, 72, 74, 75, 90, 100, 111, 120, 148, 150, 180, 185, 200, 222, 225, 296, 300, 311, 333, 360, 370, 444, 450, 555, 600, 622, 666, 740, 888, 900, 925, 933, 1110, 1244, 1332, 1480, 1555, 1665, 1800, 1850, 1866, 2220, 2488, 2664, 2775, 2799, 3110, 3330, 3700, 3732, 4440, 4665, 5550, 5598, 6220, 6660, 7400, 7464, 7775, 8325, 9330, 11100, 11196, 11507, 12440, 13320, 13995, 15550, 16650, 18660, 22200, 22392, 23014, 23325, 27990, 31100, 33300, 34521, 37320, 46028, 46650, 55980, 57535, 62200, 66600, 69042, 69975, 92056, 93300, 103563, 111960, 115070, 138084, 139950, 172605, 186600, 207126, 230140, 276168, 279900, 287675, 345210, 414252, 460280, 517815, 559800, 575350, 690420, 828504, 863025, 1035630, 1150700, 1380840, 1726050, 2071260, 2301400, 2589075, 3452100, 4142520, 5178150, 6904200, 10356300, 20712600]

約数ペア:

[(1, 20712600), (2, 10356300), (3, 6904200), (4, 5178150), (5, 4142520), (6, 3452100), (8, 2589075), (9, 2301400), (10, 2071260), (12, 1726050), (15, 1380840), (18, 1150700), (20, 1035630), (24, 863025), (25, 828504), (30, 690420), (36, 575350), (37, 559800), (40, 517815), (45, 460280), (50, 414252), (60, 345210), (72, 287675), (74, 279900), (75, 276168), (90, 230140), (100, 207126), (111, 186600), (120, 172605), (148, 139950), (150, 138084), (180, 115070), (185, 111960), (200, 103563), (222, 93300), (225, 92056), (296, 69975), (300, 69042), (311, 66600), (333, 62200), (360, 57535), (370, 55980), (444, 46650), (450, 46028), (555, 37320), (600, 34521), (622, 33300), (666, 31100), (740, 27990), (888, 23325), (900, 23014), (925, 22392), (933, 22200), (1110, 18660), (1244, 16650), (1332, 15550), (1480, 13995), (1555, 13320), (1665, 12440), (1800, 11507), (1850, 11196), (1866, 11100), (2220, 9330), (2488, 8325), (2664, 7775), (2775, 7464), (2799, 7400), (3110, 6660), (3330, 6220), (3700, 5598), (3732, 5550), (4440, 4665)]