20716256

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 44861040

約数和(自身を除く): 24144784

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 229, 257, 352, 458, 514, 916, 1028, 1832, 2056, 2519, 2827, 3664, 4112, 5038, 5654, 7328, 8224, 10076, 11308, 20152, 22616, 40304, 45232, 58853, 80608, 90464, 117706, 235412, 470824, 647383, 941648, 1294766, 1883296, 2589532, 5179064, 10358128, 20716256]

約数ペア:

[(1, 20716256), (2, 10358128), (4, 5179064), (8, 2589532), (11, 1883296), (16, 1294766), (22, 941648), (32, 647383), (44, 470824), (88, 235412), (176, 117706), (229, 90464), (257, 80608), (352, 58853), (458, 45232), (514, 40304), (916, 22616), (1028, 20152), (1832, 11308), (2056, 10076), (2519, 8224), (2827, 7328), (3664, 5654), (4112, 5038)]