20453472

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^1\times {\mathrm{607}}^1$

素因数の和:642

約数の個数: 120

約数和(自身を含む): 64886976

約数和(自身を除く): 44433504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 208, 216, 234, 288, 312, 324, 351, 416, 432, 468, 607, 624, 648, 702, 864, 936, 1053, 1214, 1248, 1296, 1404, 1821, 1872, 2106, 2428, 2592, 2808, 3642, 3744, 4212, 4856, 5463, 5616, 7284, 7891, 8424, 9712, 10926, 11232, 14568, 15782, 16389, 16848, 19424, 21852, 23673, 29136, 31564, 32778, 33696, 43704, 47346, 49167, 58272, 63128, 65556, 71019, 87408, 94692, 98334, 126256, 131112, 142038, 174816, 189384, 196668, 213057, 252512, 262224, 284076, 378768, 393336, 426114, 524448, 568152, 639171, 757536, 786672, 852228, 1136304, 1278342, 1573344, 1704456, 2272608, 2556684, 3408912, 5113368, 6817824, 10226736, 20453472]

約数ペア:

[(1, 20453472), (2, 10226736), (3, 6817824), (4, 5113368), (6, 3408912), (8, 2556684), (9, 2272608), (12, 1704456), (13, 1573344), (16, 1278342), (18, 1136304), (24, 852228), (26, 786672), (27, 757536), (32, 639171), (36, 568152), (39, 524448), (48, 426114), (52, 393336), (54, 378768), (72, 284076), (78, 262224), (81, 252512), (96, 213057), (104, 196668), (108, 189384), (117, 174816), (144, 142038), (156, 131112), (162, 126256), (208, 98334), (216, 94692), (234, 87408), (288, 71019), (312, 65556), (324, 63128), (351, 58272), (416, 49167), (432, 47346), (468, 43704), (607, 33696), (624, 32778), (648, 31564), (702, 29136), (864, 23673), (936, 21852), (1053, 19424), (1214, 16848), (1248, 16389), (1296, 15782), (1404, 14568), (1821, 11232), (1872, 10926), (2106, 9712), (2428, 8424), (2592, 7891), (2808, 7284), (3642, 5616), (3744, 5463), (4212, 4856)]