20632005

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 38376000

約数和(自身を除く): 17743995

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 59, 95, 171, 177, 285, 295, 409, 531, 855, 885, 1121, 1227, 2045, 2655, 3363, 3681, 5605, 6135, 7771, 10089, 16815, 18405, 23313, 24131, 38855, 50445, 69939, 72393, 116565, 120655, 217179, 349695, 361965, 458489, 1085895, 1375467, 2292445, 4126401, 6877335, 20632005]

約数ペア:

[(1, 20632005), (3, 6877335), (5, 4126401), (9, 2292445), (15, 1375467), (19, 1085895), (45, 458489), (57, 361965), (59, 349695), (95, 217179), (171, 120655), (177, 116565), (285, 72393), (295, 69939), (409, 50445), (531, 38855), (855, 24131), (885, 23313), (1121, 18405), (1227, 16815), (2045, 10089), (2655, 7771), (3363, 6135), (3681, 5605)]