20051296

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:128

約数の個数: 96

約数和(自身を含む): 45722880

約数和(自身を除く): 25671584

約数列:

[1, 2, 4, 8, 16, 17, 29, 31, 32, 34, 41, 58, 62, 68, 82, 116, 124, 136, 164, 232, 248, 272, 328, 464, 493, 496, 527, 544, 656, 697, 899, 928, 986, 992, 1054, 1189, 1271, 1312, 1394, 1798, 1972, 2108, 2378, 2542, 2788, 3596, 3944, 4216, 4756, 5084, 5576, 7192, 7888, 8432, 9512, 10168, 11152, 14384, 15283, 15776, 16864, 19024, 20213, 20336, 21607, 22304, 28768, 30566, 36859, 38048, 40426, 40672, 43214, 61132, 73718, 80852, 86428, 122264, 147436, 161704, 172856, 244528, 294872, 323408, 345712, 489056, 589744, 626603, 646816, 691424, 1179488, 1253206, 2506412, 5012824, 10025648, 20051296]

約数ペア:

[(1, 20051296), (2, 10025648), (4, 5012824), (8, 2506412), (16, 1253206), (17, 1179488), (29, 691424), (31, 646816), (32, 626603), (34, 589744), (41, 489056), (58, 345712), (62, 323408), (68, 294872), (82, 244528), (116, 172856), (124, 161704), (136, 147436), (164, 122264), (232, 86428), (248, 80852), (272, 73718), (328, 61132), (464, 43214), (493, 40672), (496, 40426), (527, 38048), (544, 36859), (656, 30566), (697, 28768), (899, 22304), (928, 21607), (986, 20336), (992, 20213), (1054, 19024), (1189, 16864), (1271, 15776), (1312, 15283), (1394, 14384), (1798, 11152), (1972, 10168), (2108, 9512), (2378, 8432), (2542, 7888), (2788, 7192), (3596, 5576), (3944, 5084), (4216, 4756)]