20646230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 41483232

約数和(自身を除く): 20837002

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 113, 121, 151, 226, 242, 302, 565, 605, 755, 1130, 1210, 1243, 1510, 1661, 2486, 3322, 6215, 8305, 12430, 13673, 16610, 17063, 18271, 27346, 34126, 36542, 68365, 85315, 91355, 136730, 170630, 182710, 187693, 375386, 938465, 1876930, 2064623, 4129246, 10323115, 20646230]

約数ペア:

[(1, 20646230), (2, 10323115), (5, 4129246), (10, 2064623), (11, 1876930), (22, 938465), (55, 375386), (110, 187693), (113, 182710), (121, 170630), (151, 136730), (226, 91355), (242, 85315), (302, 68365), (565, 36542), (605, 34126), (755, 27346), (1130, 18271), (1210, 17063), (1243, 16610), (1510, 13673), (1661, 12430), (2486, 8305), (3322, 6215)]