20148049560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{17657}}^1$

素因数の和:17965

約数の個数: 128

約数和(自身を含む): 62322851520

約数和(自身を除く): 42174801960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 257, 296, 370, 444, 514, 555, 740, 771, 888, 1028, 1110, 1285, 1480, 1542, 2056, 2220, 2570, 3084, 3855, 4440, 5140, 6168, 7710, 9509, 10280, 15420, 17657, 19018, 28527, 30840, 35314, 38036, 47545, 52971, 57054, 70628, 76072, 88285, 95090, 105942, 114108, 141256, 142635, 176570, 190180, 211884, 228216, 264855, 285270, 353140, 380360, 423768, 529710, 570540, 653309, 706280, 1059420, 1141080, 1306618, 1959927, 2118840, 2613236, 3266545, 3919854, 4537849, 5226472, 6533090, 7839708, 9075698, 9799635, 13066180, 13613547, 15679416, 18151396, 19599270, 22689245, 26132360, 27227094, 36302792, 39198540, 45378490, 54454188, 68067735, 78397080, 90756980, 108908376, 136135470, 167900413, 181513960, 272270940, 335800826, 503701239, 544541880, 671601652, 839502065, 1007402478, 1343203304, 1679004130, 2014804956, 2518506195, 3358008260, 4029609912, 5037012390, 6716016520, 10074024780, 20148049560]

約数ペア:

[(1, 20148049560), (2, 10074024780), (3, 6716016520), (4, 5037012390), (5, 4029609912), (6, 3358008260), (8, 2518506195), (10, 2014804956), (12, 1679004130), (15, 1343203304), (20, 1007402478), (24, 839502065), (30, 671601652), (37, 544541880), (40, 503701239), (60, 335800826), (74, 272270940), (111, 181513960), (120, 167900413), (148, 136135470), (185, 108908376), (222, 90756980), (257, 78397080), (296, 68067735), (370, 54454188), (444, 45378490), (514, 39198540), (555, 36302792), (740, 27227094), (771, 26132360), (888, 22689245), (1028, 19599270), (1110, 18151396), (1285, 15679416), (1480, 13613547), (1542, 13066180), (2056, 9799635), (2220, 9075698), (2570, 7839708), (3084, 6533090), (3855, 5226472), (4440, 4537849), (5140, 3919854), (6168, 3266545), (7710, 2613236), (9509, 2118840), (10280, 1959927), (15420, 1306618), (17657, 1141080), (19018, 1059420), (28527, 706280), (30840, 653309), (35314, 570540), (38036, 529710), (47545, 423768), (52971, 380360), (57054, 353140), (70628, 285270), (76072, 264855), (88285, 228216), (95090, 211884), (105942, 190180), (114108, 176570), (141256, 142635)]