20756112

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:121

約数の個数: 160

約数和(自身を含む): 63329280

約数和(自身を除く): 42573168

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 29, 31, 37, 39, 48, 52, 58, 62, 74, 78, 87, 93, 104, 111, 116, 124, 148, 156, 174, 186, 208, 222, 232, 248, 296, 312, 348, 372, 377, 403, 444, 464, 481, 496, 592, 624, 696, 744, 754, 806, 888, 899, 962, 1073, 1131, 1147, 1209, 1392, 1443, 1488, 1508, 1612, 1776, 1798, 1924, 2146, 2262, 2294, 2418, 2697, 2886, 3016, 3219, 3224, 3441, 3596, 3848, 4292, 4524, 4588, 4836, 5394, 5772, 6032, 6438, 6448, 6882, 7192, 7696, 8584, 9048, 9176, 9672, 10788, 11544, 11687, 12876, 13764, 13949, 14384, 14911, 17168, 18096, 18352, 19344, 21576, 23088, 23374, 25752, 27528, 27898, 29822, 33263, 35061, 41847, 43152, 44733, 46748, 51504, 55056, 55796, 59644, 66526, 70122, 83694, 89466, 93496, 99789, 111592, 119288, 133052, 140244, 167388, 178932, 186992, 199578, 223184, 238576, 266104, 280488, 334776, 357864, 399156, 432419, 532208, 560976, 669552, 715728, 798312, 864838, 1297257, 1596624, 1729676, 2594514, 3459352, 5189028, 6918704, 10378056, 20756112]

約数ペア:

[(1, 20756112), (2, 10378056), (3, 6918704), (4, 5189028), (6, 3459352), (8, 2594514), (12, 1729676), (13, 1596624), (16, 1297257), (24, 864838), (26, 798312), (29, 715728), (31, 669552), (37, 560976), (39, 532208), (48, 432419), (52, 399156), (58, 357864), (62, 334776), (74, 280488), (78, 266104), (87, 238576), (93, 223184), (104, 199578), (111, 186992), (116, 178932), (124, 167388), (148, 140244), (156, 133052), (174, 119288), (186, 111592), (208, 99789), (222, 93496), (232, 89466), (248, 83694), (296, 70122), (312, 66526), (348, 59644), (372, 55796), (377, 55056), (403, 51504), (444, 46748), (464, 44733), (481, 43152), (496, 41847), (592, 35061), (624, 33263), (696, 29822), (744, 27898), (754, 27528), (806, 25752), (888, 23374), (899, 23088), (962, 21576), (1073, 19344), (1131, 18352), (1147, 18096), (1209, 17168), (1392, 14911), (1443, 14384), (1488, 13949), (1508, 13764), (1612, 12876), (1776, 11687), (1798, 11544), (1924, 10788), (2146, 9672), (2262, 9176), (2294, 9048), (2418, 8584), (2697, 7696), (2886, 7192), (3016, 6882), (3219, 6448), (3224, 6438), (3441, 6032), (3596, 5772), (3848, 5394), (4292, 4836), (4524, 4588)]