20253728

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{353}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 43890336

約数和(自身を除く): 23636608

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 163, 176, 326, 352, 353, 652, 706, 1304, 1412, 1793, 2608, 2824, 3586, 3883, 5216, 5648, 7172, 7766, 11296, 14344, 15532, 28688, 31064, 57376, 57539, 62128, 115078, 124256, 230156, 460312, 632929, 920624, 1265858, 1841248, 2531716, 5063432, 10126864, 20253728]

約数ペア:

[(1, 20253728), (2, 10126864), (4, 5063432), (8, 2531716), (11, 1841248), (16, 1265858), (22, 920624), (32, 632929), (44, 460312), (88, 230156), (163, 124256), (176, 115078), (326, 62128), (352, 57539), (353, 57376), (652, 31064), (706, 28688), (1304, 15532), (1412, 14344), (1793, 11296), (2608, 7766), (2824, 7172), (3586, 5648), (3883, 5216)]