20679000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:198

約数の個数: 128

約数和(自身を含む): 66156480

約数和(自身を除く): 45477480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 61, 75, 100, 113, 120, 122, 125, 150, 183, 200, 226, 244, 250, 300, 305, 339, 366, 375, 452, 488, 500, 565, 600, 610, 678, 732, 750, 904, 915, 1000, 1130, 1220, 1356, 1464, 1500, 1525, 1695, 1830, 2260, 2440, 2712, 2825, 3000, 3050, 3390, 3660, 4520, 4575, 5650, 6100, 6780, 6893, 7320, 7625, 8475, 9150, 11300, 12200, 13560, 13786, 14125, 15250, 16950, 18300, 20679, 22600, 22875, 27572, 28250, 30500, 33900, 34465, 36600, 41358, 42375, 45750, 55144, 56500, 61000, 67800, 68930, 82716, 84750, 91500, 103395, 113000, 137860, 165432, 169500, 172325, 183000, 206790, 275720, 339000, 344650, 413580, 516975, 689300, 827160, 861625, 1033950, 1378600, 1723250, 2067900, 2584875, 3446500, 4135800, 5169750, 6893000, 10339500, 20679000]

約数ペア:

[(1, 20679000), (2, 10339500), (3, 6893000), (4, 5169750), (5, 4135800), (6, 3446500), (8, 2584875), (10, 2067900), (12, 1723250), (15, 1378600), (20, 1033950), (24, 861625), (25, 827160), (30, 689300), (40, 516975), (50, 413580), (60, 344650), (61, 339000), (75, 275720), (100, 206790), (113, 183000), (120, 172325), (122, 169500), (125, 165432), (150, 137860), (183, 113000), (200, 103395), (226, 91500), (244, 84750), (250, 82716), (300, 68930), (305, 67800), (339, 61000), (366, 56500), (375, 55144), (452, 45750), (488, 42375), (500, 41358), (565, 36600), (600, 34465), (610, 33900), (678, 30500), (732, 28250), (750, 27572), (904, 22875), (915, 22600), (1000, 20679), (1130, 18300), (1220, 16950), (1356, 15250), (1464, 14125), (1500, 13786), (1525, 13560), (1695, 12200), (1830, 11300), (2260, 9150), (2440, 8475), (2712, 7625), (2825, 7320), (3000, 6893), (3050, 6780), (3390, 6100), (3660, 5650), (4520, 4575)]