20789344

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1103}}^1$

素因数の和:1163

約数の個数: 48

約数和(自身を含む): 44513280

約数和(自身を除く): 23723936

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 76, 124, 152, 248, 304, 496, 589, 608, 992, 1103, 1178, 2206, 2356, 4412, 4712, 8824, 9424, 17648, 18848, 20957, 34193, 35296, 41914, 68386, 83828, 136772, 167656, 273544, 335312, 547088, 649667, 670624, 1094176, 1299334, 2598668, 5197336, 10394672, 20789344]

約数ペア:

[(1, 20789344), (2, 10394672), (4, 5197336), (8, 2598668), (16, 1299334), (19, 1094176), (31, 670624), (32, 649667), (38, 547088), (62, 335312), (76, 273544), (124, 167656), (152, 136772), (248, 83828), (304, 68386), (496, 41914), (589, 35296), (608, 34193), (992, 20957), (1103, 18848), (1178, 17648), (2206, 9424), (2356, 8824), (4412, 4712)]