20538432

素因数分解:

$2^6\times 3^2\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:396

約数の個数: 84

約数和(自身を含む): 59495436

約数和(自身を除く): 38957004

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 181, 192, 197, 288, 362, 394, 543, 576, 591, 724, 788, 1086, 1182, 1448, 1576, 1629, 1773, 2172, 2364, 2896, 3152, 3258, 3546, 4344, 4728, 5792, 6304, 6516, 7092, 8688, 9456, 11584, 12608, 13032, 14184, 17376, 18912, 26064, 28368, 34752, 35657, 37824, 52128, 56736, 71314, 104256, 106971, 113472, 142628, 213942, 285256, 320913, 427884, 570512, 641826, 855768, 1141024, 1283652, 1711536, 2282048, 2567304, 3423072, 5134608, 6846144, 10269216, 20538432]

約数ペア:

[(1, 20538432), (2, 10269216), (3, 6846144), (4, 5134608), (6, 3423072), (8, 2567304), (9, 2282048), (12, 1711536), (16, 1283652), (18, 1141024), (24, 855768), (32, 641826), (36, 570512), (48, 427884), (64, 320913), (72, 285256), (96, 213942), (144, 142628), (181, 113472), (192, 106971), (197, 104256), (288, 71314), (362, 56736), (394, 52128), (543, 37824), (576, 35657), (591, 34752), (724, 28368), (788, 26064), (1086, 18912), (1182, 17376), (1448, 14184), (1576, 13032), (1629, 12608), (1773, 11584), (2172, 9456), (2364, 8688), (2896, 7092), (3152, 6516), (3258, 6304), (3546, 5792), (4344, 4728)]