20564496

素因数分解:

$2^4\times 3^3\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:461

約数の個数: 80

約数和(自身を含む): 59579520

約数和(自身を除く): 39015024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 181, 216, 263, 362, 432, 526, 543, 724, 789, 1052, 1086, 1448, 1578, 1629, 2104, 2172, 2367, 2896, 3156, 3258, 4208, 4344, 4734, 4887, 6312, 6516, 7101, 8688, 9468, 9774, 12624, 13032, 14202, 18936, 19548, 26064, 28404, 37872, 39096, 47603, 56808, 78192, 95206, 113616, 142809, 190412, 285618, 380824, 428427, 571236, 761648, 856854, 1142472, 1285281, 1713708, 2284944, 2570562, 3427416, 5141124, 6854832, 10282248, 20564496]

約数ペア:

[(1, 20564496), (2, 10282248), (3, 6854832), (4, 5141124), (6, 3427416), (8, 2570562), (9, 2284944), (12, 1713708), (16, 1285281), (18, 1142472), (24, 856854), (27, 761648), (36, 571236), (48, 428427), (54, 380824), (72, 285618), (108, 190412), (144, 142809), (181, 113616), (216, 95206), (263, 78192), (362, 56808), (432, 47603), (526, 39096), (543, 37872), (724, 28404), (789, 26064), (1052, 19548), (1086, 18936), (1448, 14202), (1578, 13032), (1629, 12624), (2104, 9774), (2172, 9468), (2367, 8688), (2896, 7101), (3156, 6516), (3258, 6312), (4208, 4887), (4344, 4734)]