20725312

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:515

約数の個数: 56

約数和(自身を含む): 44659296

約数和(自身を除く): 23933984

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 64, 68, 86, 136, 172, 272, 344, 443, 544, 688, 731, 886, 1088, 1376, 1462, 1772, 2752, 2924, 3544, 5848, 7088, 7531, 11696, 14176, 15062, 19049, 23392, 28352, 30124, 38098, 46784, 60248, 76196, 120496, 152392, 240992, 304784, 323833, 481984, 609568, 647666, 1219136, 1295332, 2590664, 5181328, 10362656, 20725312]

約数ペア:

[(1, 20725312), (2, 10362656), (4, 5181328), (8, 2590664), (16, 1295332), (17, 1219136), (32, 647666), (34, 609568), (43, 481984), (64, 323833), (68, 304784), (86, 240992), (136, 152392), (172, 120496), (272, 76196), (344, 60248), (443, 46784), (544, 38098), (688, 30124), (731, 28352), (886, 23392), (1088, 19049), (1376, 15062), (1462, 14176), (1772, 11696), (2752, 7531), (2924, 7088), (3544, 5848)]