20695500

素因数分解:

$2^2\times 3^4\times 5^3\times 7^1\times {\mathrm{73}}^1$

素因数の和:111

約数の個数: 240

約数和(自身を含む): 78222144

約数和(自身を除く): 57526644

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 73, 75, 81, 84, 90, 100, 105, 108, 125, 126, 135, 140, 146, 150, 162, 175, 180, 189, 210, 219, 225, 250, 252, 270, 292, 300, 315, 324, 350, 365, 375, 378, 405, 420, 438, 450, 500, 511, 525, 540, 567, 630, 657, 675, 700, 730, 750, 756, 810, 875, 876, 900, 945, 1022, 1050, 1095, 1125, 1134, 1260, 1314, 1350, 1460, 1500, 1533, 1575, 1620, 1750, 1825, 1890, 1971, 2025, 2044, 2100, 2190, 2250, 2268, 2555, 2625, 2628, 2700, 2835, 3066, 3150, 3285, 3375, 3500, 3650, 3780, 3942, 4050, 4380, 4500, 4599, 4725, 5110, 5250, 5475, 5670, 5913, 6132, 6300, 6570, 6750, 7300, 7665, 7875, 7884, 8100, 9125, 9198, 9450, 9855, 10125, 10220, 10500, 10950, 11340, 11826, 12775, 13140, 13500, 13797, 14175, 15330, 15750, 16425, 18250, 18396, 18900, 19710, 20250, 21900, 22995, 23625, 23652, 25550, 27375, 27594, 28350, 29565, 30660, 31500, 32850, 36500, 38325, 39420, 40500, 41391, 45990, 47250, 49275, 51100, 54750, 55188, 56700, 59130, 63875, 65700, 68985, 70875, 76650, 82125, 82782, 91980, 94500, 98550, 109500, 114975, 118260, 127750, 137970, 141750, 147825, 153300, 164250, 165564, 191625, 197100, 206955, 229950, 246375, 255500, 275940, 283500, 295650, 328500, 344925, 383250, 413910, 459900, 492750, 574875, 591300, 689850, 739125, 766500, 827820, 985500, 1034775, 1149750, 1379700, 1478250, 1724625, 2069550, 2299500, 2956500, 3449250, 4139100, 5173875, 6898500, 10347750, 20695500]

約数ペア:

[(1, 20695500), (2, 10347750), (3, 6898500), (4, 5173875), (5, 4139100), (6, 3449250), (7, 2956500), (9, 2299500), (10, 2069550), (12, 1724625), (14, 1478250), (15, 1379700), (18, 1149750), (20, 1034775), (21, 985500), (25, 827820), (27, 766500), (28, 739125), (30, 689850), (35, 591300), (36, 574875), (42, 492750), (45, 459900), (50, 413910), (54, 383250), (60, 344925), (63, 328500), (70, 295650), (73, 283500), (75, 275940), (81, 255500), (84, 246375), (90, 229950), (100, 206955), (105, 197100), (108, 191625), (125, 165564), (126, 164250), (135, 153300), (140, 147825), (146, 141750), (150, 137970), (162, 127750), (175, 118260), (180, 114975), (189, 109500), (210, 98550), (219, 94500), (225, 91980), (250, 82782), (252, 82125), (270, 76650), (292, 70875), (300, 68985), (315, 65700), (324, 63875), (350, 59130), (365, 56700), (375, 55188), (378, 54750), (405, 51100), (420, 49275), (438, 47250), (450, 45990), (500, 41391), (511, 40500), (525, 39420), (540, 38325), (567, 36500), (630, 32850), (657, 31500), (675, 30660), (700, 29565), (730, 28350), (750, 27594), (756, 27375), (810, 25550), (875, 23652), (876, 23625), (900, 22995), (945, 21900), (1022, 20250), (1050, 19710), (1095, 18900), (1125, 18396), (1134, 18250), (1260, 16425), (1314, 15750), (1350, 15330), (1460, 14175), (1500, 13797), (1533, 13500), (1575, 13140), (1620, 12775), (1750, 11826), (1825, 11340), (1890, 10950), (1971, 10500), (2025, 10220), (2044, 10125), (2100, 9855), (2190, 9450), (2250, 9198), (2268, 9125), (2555, 8100), (2625, 7884), (2628, 7875), (2700, 7665), (2835, 7300), (3066, 6750), (3150, 6570), (3285, 6300), (3375, 6132), (3500, 5913), (3650, 5670), (3780, 5475), (3942, 5250), (4050, 5110), (4380, 4725), (4500, 4599)]