20546812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2113}}^1$

素因数の和:2158

約数の個数: 48

約数和(自身を含む): 44749152

約数和(自身を除く): 24202340

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 374, 442, 572, 748, 884, 2113, 2431, 4226, 4862, 8452, 9724, 23243, 27469, 35921, 46486, 54938, 71842, 92972, 109876, 143684, 302159, 395131, 466973, 604318, 790262, 933946, 1208636, 1580524, 1867892, 5136703, 10273406, 20546812]

約数ペア:

[(1, 20546812), (2, 10273406), (4, 5136703), (11, 1867892), (13, 1580524), (17, 1208636), (22, 933946), (26, 790262), (34, 604318), (44, 466973), (52, 395131), (68, 302159), (143, 143684), (187, 109876), (221, 92972), (286, 71842), (374, 54938), (442, 46486), (572, 35921), (748, 27469), (884, 23243), (2113, 9724), (2431, 8452), (4226, 4862)]