20144700

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{829}}^1$

素因数の和:858

約数の個数: 108

約数和(自身を含む): 65560040

約数和(自身を除く): 45415340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 243, 270, 300, 324, 405, 450, 486, 540, 675, 810, 829, 900, 972, 1215, 1350, 1620, 1658, 2025, 2430, 2487, 2700, 3316, 4050, 4145, 4860, 4974, 6075, 7461, 8100, 8290, 9948, 12150, 12435, 14922, 16580, 20725, 22383, 24300, 24870, 29844, 37305, 41450, 44766, 49740, 62175, 67149, 74610, 82900, 89532, 111915, 124350, 134298, 149220, 186525, 201447, 223830, 248700, 268596, 335745, 373050, 402894, 447660, 559575, 671490, 746100, 805788, 1007235, 1119150, 1342980, 1678725, 2014470, 2238300, 3357450, 4028940, 5036175, 6714900, 10072350, 20144700]

約数ペア:

[(1, 20144700), (2, 10072350), (3, 6714900), (4, 5036175), (5, 4028940), (6, 3357450), (9, 2238300), (10, 2014470), (12, 1678725), (15, 1342980), (18, 1119150), (20, 1007235), (25, 805788), (27, 746100), (30, 671490), (36, 559575), (45, 447660), (50, 402894), (54, 373050), (60, 335745), (75, 268596), (81, 248700), (90, 223830), (100, 201447), (108, 186525), (135, 149220), (150, 134298), (162, 124350), (180, 111915), (225, 89532), (243, 82900), (270, 74610), (300, 67149), (324, 62175), (405, 49740), (450, 44766), (486, 41450), (540, 37305), (675, 29844), (810, 24870), (829, 24300), (900, 22383), (972, 20725), (1215, 16580), (1350, 14922), (1620, 12435), (1658, 12150), (2025, 9948), (2430, 8290), (2487, 8100), (2700, 7461), (3316, 6075), (4050, 4974), (4145, 4860)]