20559504

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1423}}^1$

素因数の和:1484

約数の個数: 80

約数和(自身を含む): 62154752

約数和(自身を除く): 41595248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 56, 84, 86, 112, 129, 168, 172, 258, 301, 336, 344, 516, 602, 688, 903, 1032, 1204, 1423, 1806, 2064, 2408, 2846, 3612, 4269, 4816, 5692, 7224, 8538, 9961, 11384, 14448, 17076, 19922, 22768, 29883, 34152, 39844, 59766, 61189, 68304, 79688, 119532, 122378, 159376, 183567, 239064, 244756, 367134, 428323, 478128, 489512, 734268, 856646, 979024, 1284969, 1468536, 1713292, 2569938, 2937072, 3426584, 5139876, 6853168, 10279752, 20559504]

約数ペア:

[(1, 20559504), (2, 10279752), (3, 6853168), (4, 5139876), (6, 3426584), (7, 2937072), (8, 2569938), (12, 1713292), (14, 1468536), (16, 1284969), (21, 979024), (24, 856646), (28, 734268), (42, 489512), (43, 478128), (48, 428323), (56, 367134), (84, 244756), (86, 239064), (112, 183567), (129, 159376), (168, 122378), (172, 119532), (258, 79688), (301, 68304), (336, 61189), (344, 59766), (516, 39844), (602, 34152), (688, 29883), (903, 22768), (1032, 19922), (1204, 17076), (1423, 14448), (1806, 11384), (2064, 9961), (2408, 8538), (2846, 7224), (3612, 5692), (4269, 4816)]