20512206

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{613}}^1$

素因数の和:658

約数の個数: 72

約数和(自身を含む): 52585416

約数和(自身を除く): 32073210

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 169, 198, 234, 286, 338, 429, 507, 613, 858, 1014, 1226, 1287, 1521, 1839, 1859, 2574, 3042, 3678, 3718, 5517, 5577, 6743, 7969, 11034, 11154, 13486, 15938, 16731, 20229, 23907, 33462, 40458, 47814, 60687, 71721, 87659, 103597, 121374, 143442, 175318, 207194, 262977, 310791, 525954, 621582, 788931, 932373, 1139567, 1577862, 1864746, 2279134, 3418701, 6837402, 10256103, 20512206]

約数ペア:

[(1, 20512206), (2, 10256103), (3, 6837402), (6, 3418701), (9, 2279134), (11, 1864746), (13, 1577862), (18, 1139567), (22, 932373), (26, 788931), (33, 621582), (39, 525954), (66, 310791), (78, 262977), (99, 207194), (117, 175318), (143, 143442), (169, 121374), (198, 103597), (234, 87659), (286, 71721), (338, 60687), (429, 47814), (507, 40458), (613, 33462), (858, 23907), (1014, 20229), (1226, 16731), (1287, 15938), (1521, 13486), (1839, 11154), (1859, 11034), (2574, 7969), (3042, 6743), (3678, 5577), (3718, 5517)]