20982528

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{1301}}^1$

素因数の和:1330

約数の個数: 108

約数和(自身を含む): 69193488

約数和(自身を除く): 48210960

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 576, 672, 768, 896, 1008, 1152, 1301, 1344, 1792, 2016, 2304, 2602, 2688, 3903, 4032, 5204, 5376, 7806, 8064, 9107, 10408, 11709, 15612, 16128, 18214, 20816, 23418, 27321, 31224, 36428, 41632, 46836, 54642, 62448, 72856, 81963, 83264, 93672, 109284, 124896, 145712, 163926, 166528, 187344, 218568, 249792, 291424, 327852, 333056, 374688, 437136, 499584, 582848, 655704, 749376, 874272, 999168, 1165696, 1311408, 1498752, 1748544, 2331392, 2622816, 2997504, 3497088, 5245632, 6994176, 10491264, 20982528]

約数ペア:

[(1, 20982528), (2, 10491264), (3, 6994176), (4, 5245632), (6, 3497088), (7, 2997504), (8, 2622816), (9, 2331392), (12, 1748544), (14, 1498752), (16, 1311408), (18, 1165696), (21, 999168), (24, 874272), (28, 749376), (32, 655704), (36, 582848), (42, 499584), (48, 437136), (56, 374688), (63, 333056), (64, 327852), (72, 291424), (84, 249792), (96, 218568), (112, 187344), (126, 166528), (128, 163926), (144, 145712), (168, 124896), (192, 109284), (224, 93672), (252, 83264), (256, 81963), (288, 72856), (336, 62448), (384, 54642), (448, 46836), (504, 41632), (576, 36428), (672, 31224), (768, 27321), (896, 23418), (1008, 20816), (1152, 18214), (1301, 16128), (1344, 15612), (1792, 11709), (2016, 10408), (2304, 9107), (2602, 8064), (2688, 7806), (3903, 5376), (4032, 5204)]