20706752

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:529

約数の個数: 56

約数和(自身を含む): 45598080

約数和(自身を除く): 24891328

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 67, 88, 134, 176, 268, 352, 439, 536, 704, 737, 878, 1072, 1474, 1756, 2144, 2948, 3512, 4288, 4829, 5896, 7024, 9658, 11792, 14048, 19316, 23584, 28096, 29413, 38632, 47168, 58826, 77264, 117652, 154528, 235304, 309056, 323543, 470608, 647086, 941216, 1294172, 1882432, 2588344, 5176688, 10353376, 20706752]

約数ペア:

[(1, 20706752), (2, 10353376), (4, 5176688), (8, 2588344), (11, 1882432), (16, 1294172), (22, 941216), (32, 647086), (44, 470608), (64, 323543), (67, 309056), (88, 235304), (134, 154528), (176, 117652), (268, 77264), (352, 58826), (439, 47168), (536, 38632), (704, 29413), (737, 28096), (878, 23584), (1072, 19316), (1474, 14048), (1756, 11792), (2144, 9658), (2948, 7024), (3512, 5896), (4288, 4829)]