20257094

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 37001664

約数和(自身を除く): 16744570

約数列:

[1, 2, 11, 13, 22, 26, 47, 94, 121, 137, 143, 242, 274, 286, 517, 611, 1034, 1222, 1507, 1573, 1781, 3014, 3146, 3562, 5687, 6439, 6721, 11374, 12878, 13442, 16577, 19591, 33154, 39182, 70829, 73931, 83707, 141658, 147862, 167414, 215501, 431002, 779119, 920777, 1558238, 1841554, 10128547, 20257094]

約数ペア:

[(1, 20257094), (2, 10128547), (11, 1841554), (13, 1558238), (22, 920777), (26, 779119), (47, 431002), (94, 215501), (121, 167414), (137, 147862), (143, 141658), (242, 83707), (274, 73931), (286, 70829), (517, 39182), (611, 33154), (1034, 19591), (1222, 16577), (1507, 13442), (1573, 12878), (1781, 11374), (3014, 6721), (3146, 6439), (3562, 5687)]