20686930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3083}}^1$

素因数の和:3162

約数の個数: 32

約数和(自身を含む): 41300928

約数和(自身を除く): 20613998

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 3083, 3355, 6166, 6710, 15415, 30830, 33913, 67826, 169565, 188063, 339130, 376126, 940315, 1880630, 2068693, 4137386, 10343465, 20686930]

約数ペア:

[(1, 20686930), (2, 10343465), (5, 4137386), (10, 2068693), (11, 1880630), (22, 940315), (55, 376126), (61, 339130), (110, 188063), (122, 169565), (305, 67826), (610, 33913), (671, 30830), (1342, 15415), (3083, 6710), (3355, 6166)]