20315664

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:126

約数の個数: 160

約数和(自身を含む): 63329280

約数和(自身を除く): 43013616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 37, 41, 48, 54, 62, 72, 74, 82, 93, 108, 111, 123, 124, 144, 148, 164, 186, 216, 222, 246, 248, 279, 296, 328, 333, 369, 372, 432, 444, 492, 496, 558, 592, 656, 666, 738, 744, 837, 888, 984, 999, 1107, 1116, 1147, 1271, 1332, 1476, 1488, 1517, 1674, 1776, 1968, 1998, 2214, 2232, 2294, 2542, 2664, 2952, 3034, 3348, 3441, 3813, 3996, 4428, 4464, 4551, 4588, 5084, 5328, 5904, 6068, 6696, 6882, 7626, 7992, 8856, 9102, 9176, 10168, 10323, 11439, 12136, 13392, 13653, 13764, 15252, 15984, 17712, 18204, 18352, 20336, 20646, 22878, 24272, 27306, 27528, 30504, 30969, 34317, 36408, 40959, 41292, 45756, 47027, 54612, 55056, 61008, 61938, 68634, 72816, 81918, 82584, 91512, 94054, 109224, 123876, 137268, 141081, 163836, 165168, 183024, 188108, 218448, 247752, 274536, 282162, 327672, 376216, 423243, 495504, 549072, 564324, 655344, 752432, 846486, 1128648, 1269729, 1692972, 2257296, 2539458, 3385944, 5078916, 6771888, 10157832, 20315664]

約数ペア:

[(1, 20315664), (2, 10157832), (3, 6771888), (4, 5078916), (6, 3385944), (8, 2539458), (9, 2257296), (12, 1692972), (16, 1269729), (18, 1128648), (24, 846486), (27, 752432), (31, 655344), (36, 564324), (37, 549072), (41, 495504), (48, 423243), (54, 376216), (62, 327672), (72, 282162), (74, 274536), (82, 247752), (93, 218448), (108, 188108), (111, 183024), (123, 165168), (124, 163836), (144, 141081), (148, 137268), (164, 123876), (186, 109224), (216, 94054), (222, 91512), (246, 82584), (248, 81918), (279, 72816), (296, 68634), (328, 61938), (333, 61008), (369, 55056), (372, 54612), (432, 47027), (444, 45756), (492, 41292), (496, 40959), (558, 36408), (592, 34317), (656, 30969), (666, 30504), (738, 27528), (744, 27306), (837, 24272), (888, 22878), (984, 20646), (999, 20336), (1107, 18352), (1116, 18204), (1147, 17712), (1271, 15984), (1332, 15252), (1476, 13764), (1488, 13653), (1517, 13392), (1674, 12136), (1776, 11439), (1968, 10323), (1998, 10168), (2214, 9176), (2232, 9102), (2294, 8856), (2542, 7992), (2664, 7626), (2952, 6882), (3034, 6696), (3348, 6068), (3441, 5904), (3813, 5328), (3996, 5084), (4428, 4588), (4464, 4551)]