20740020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:174

約数の個数: 192

約数和(自身を含む): 73543680

約数和(自身を除く): 52803660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 23, 28, 30, 35, 38, 42, 46, 57, 60, 69, 70, 76, 84, 92, 95, 105, 113, 114, 115, 133, 138, 140, 161, 190, 210, 226, 228, 230, 266, 276, 285, 322, 339, 345, 380, 399, 420, 437, 452, 460, 483, 532, 565, 570, 644, 665, 678, 690, 791, 798, 805, 874, 966, 1130, 1140, 1311, 1330, 1356, 1380, 1582, 1596, 1610, 1695, 1748, 1932, 1995, 2147, 2185, 2260, 2373, 2415, 2599, 2622, 2660, 3059, 3164, 3220, 3390, 3955, 3990, 4294, 4370, 4746, 4830, 5198, 5244, 6118, 6441, 6555, 6780, 7797, 7910, 7980, 8588, 8740, 9177, 9492, 9660, 10396, 10735, 11865, 12236, 12882, 12995, 13110, 15029, 15295, 15594, 15820, 18193, 18354, 21470, 23730, 25764, 25990, 26220, 30058, 30590, 31188, 32205, 36386, 36708, 38985, 42940, 45087, 45885, 47460, 49381, 51980, 54579, 60116, 61180, 64410, 72772, 75145, 77970, 90174, 90965, 91770, 98762, 109158, 128820, 148143, 150290, 155940, 180348, 181930, 183540, 197524, 218316, 225435, 246905, 272895, 296286, 300580, 345667, 363860, 450870, 493810, 545790, 592572, 691334, 740715, 901740, 987620, 1037001, 1091580, 1382668, 1481430, 1728335, 2074002, 2962860, 3456670, 4148004, 5185005, 6913340, 10370010, 20740020]

約数ペア:

[(1, 20740020), (2, 10370010), (3, 6913340), (4, 5185005), (5, 4148004), (6, 3456670), (7, 2962860), (10, 2074002), (12, 1728335), (14, 1481430), (15, 1382668), (19, 1091580), (20, 1037001), (21, 987620), (23, 901740), (28, 740715), (30, 691334), (35, 592572), (38, 545790), (42, 493810), (46, 450870), (57, 363860), (60, 345667), (69, 300580), (70, 296286), (76, 272895), (84, 246905), (92, 225435), (95, 218316), (105, 197524), (113, 183540), (114, 181930), (115, 180348), (133, 155940), (138, 150290), (140, 148143), (161, 128820), (190, 109158), (210, 98762), (226, 91770), (228, 90965), (230, 90174), (266, 77970), (276, 75145), (285, 72772), (322, 64410), (339, 61180), (345, 60116), (380, 54579), (399, 51980), (420, 49381), (437, 47460), (452, 45885), (460, 45087), (483, 42940), (532, 38985), (565, 36708), (570, 36386), (644, 32205), (665, 31188), (678, 30590), (690, 30058), (791, 26220), (798, 25990), (805, 25764), (874, 23730), (966, 21470), (1130, 18354), (1140, 18193), (1311, 15820), (1330, 15594), (1356, 15295), (1380, 15029), (1582, 13110), (1596, 12995), (1610, 12882), (1695, 12236), (1748, 11865), (1932, 10735), (1995, 10396), (2147, 9660), (2185, 9492), (2260, 9177), (2373, 8740), (2415, 8588), (2599, 7980), (2622, 7910), (2660, 7797), (3059, 6780), (3164, 6555), (3220, 6441), (3390, 6118), (3955, 5244), (3990, 5198), (4294, 4830), (4370, 4746)]