20973186

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1907}}^1$

素因数の和:1975

約数の個数: 48

約数和(自身を含む): 50004864

約数和(自身を除く): 29031678

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 47, 78, 94, 117, 141, 234, 282, 423, 611, 846, 1222, 1833, 1907, 3666, 3814, 5499, 5721, 10998, 11442, 17163, 24791, 34326, 49582, 74373, 89629, 148746, 179258, 223119, 268887, 446238, 537774, 806661, 1165177, 1613322, 2330354, 3495531, 6991062, 10486593, 20973186]

約数ペア:

[(1, 20973186), (2, 10486593), (3, 6991062), (6, 3495531), (9, 2330354), (13, 1613322), (18, 1165177), (26, 806661), (39, 537774), (47, 446238), (78, 268887), (94, 223119), (117, 179258), (141, 148746), (234, 89629), (282, 74373), (423, 49582), (611, 34326), (846, 24791), (1222, 17163), (1833, 11442), (1907, 10998), (3666, 5721), (3814, 5499)]