20569680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:218

約数の個数: 160

約数和(自身を含む): 72316800

約数和(自身を除く): 51747120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 89, 90, 107, 108, 120, 135, 144, 178, 180, 214, 216, 240, 267, 270, 321, 356, 360, 428, 432, 445, 534, 535, 540, 642, 712, 720, 801, 856, 890, 963, 1068, 1070, 1080, 1284, 1335, 1424, 1602, 1605, 1712, 1780, 1926, 2136, 2140, 2160, 2403, 2568, 2670, 2889, 3204, 3210, 3560, 3852, 4005, 4272, 4280, 4806, 4815, 5136, 5340, 5778, 6408, 6420, 7120, 7704, 8010, 8560, 9523, 9612, 9630, 10680, 11556, 12015, 12816, 12840, 14445, 15408, 16020, 19046, 19224, 19260, 21360, 23112, 24030, 25680, 28569, 28890, 32040, 38092, 38448, 38520, 46224, 47615, 48060, 57138, 57780, 64080, 76184, 77040, 85707, 95230, 96120, 114276, 115560, 142845, 152368, 171414, 190460, 192240, 228552, 231120, 257121, 285690, 342828, 380920, 428535, 457104, 514242, 571380, 685656, 761840, 857070, 1028484, 1142760, 1285605, 1371312, 1714140, 2056968, 2285520, 2571210, 3428280, 4113936, 5142420, 6856560, 10284840, 20569680]

約数ペア:

[(1, 20569680), (2, 10284840), (3, 6856560), (4, 5142420), (5, 4113936), (6, 3428280), (8, 2571210), (9, 2285520), (10, 2056968), (12, 1714140), (15, 1371312), (16, 1285605), (18, 1142760), (20, 1028484), (24, 857070), (27, 761840), (30, 685656), (36, 571380), (40, 514242), (45, 457104), (48, 428535), (54, 380920), (60, 342828), (72, 285690), (80, 257121), (89, 231120), (90, 228552), (107, 192240), (108, 190460), (120, 171414), (135, 152368), (144, 142845), (178, 115560), (180, 114276), (214, 96120), (216, 95230), (240, 85707), (267, 77040), (270, 76184), (321, 64080), (356, 57780), (360, 57138), (428, 48060), (432, 47615), (445, 46224), (534, 38520), (535, 38448), (540, 38092), (642, 32040), (712, 28890), (720, 28569), (801, 25680), (856, 24030), (890, 23112), (963, 21360), (1068, 19260), (1070, 19224), (1080, 19046), (1284, 16020), (1335, 15408), (1424, 14445), (1602, 12840), (1605, 12816), (1712, 12015), (1780, 11556), (1926, 10680), (2136, 9630), (2140, 9612), (2160, 9523), (2403, 8560), (2568, 8010), (2670, 7704), (2889, 7120), (3204, 6420), (3210, 6408), (3560, 5778), (3852, 5340), (4005, 5136), (4272, 4815), (4280, 4806)]