20653996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^2$

素因数の和:270

約数の個数: 36

約数和(自身を含む): 40773096

約数和(自身を除く): 20119100

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 107, 164, 214, 428, 451, 902, 1177, 1804, 2354, 4387, 4708, 8774, 11449, 17548, 22898, 45796, 48257, 96514, 125939, 193028, 251878, 469409, 503756, 938818, 1877636, 5163499, 10326998, 20653996]

約数ペア:

[(1, 20653996), (2, 10326998), (4, 5163499), (11, 1877636), (22, 938818), (41, 503756), (44, 469409), (82, 251878), (107, 193028), (164, 125939), (214, 96514), (428, 48257), (451, 45796), (902, 22898), (1177, 17548), (1804, 11449), (2354, 8774), (4387, 4708)]