20616992

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1583}}^1$

素因数の和:1641

約数の個数: 48

約数和(自身を含む): 45505152

約数和(自身を除く): 24888160

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 74, 88, 148, 176, 296, 352, 407, 592, 814, 1184, 1583, 1628, 3166, 3256, 6332, 6512, 12664, 13024, 17413, 25328, 34826, 50656, 58571, 69652, 117142, 139304, 234284, 278608, 468568, 557216, 644281, 937136, 1288562, 1874272, 2577124, 5154248, 10308496, 20616992]

約数ペア:

[(1, 20616992), (2, 10308496), (4, 5154248), (8, 2577124), (11, 1874272), (16, 1288562), (22, 937136), (32, 644281), (37, 557216), (44, 468568), (74, 278608), (88, 234284), (148, 139304), (176, 117142), (296, 69652), (352, 58571), (407, 50656), (592, 34826), (814, 25328), (1184, 17413), (1583, 13024), (1628, 12664), (3166, 6512), (3256, 6332)]