20442969

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 31651200

約数和(自身を除く): 11208231

約数列:

[1, 3, 9, 27, 41, 59, 123, 177, 313, 369, 531, 939, 1107, 1593, 2419, 2817, 7257, 8451, 12833, 18467, 21771, 38499, 55401, 65313, 115497, 166203, 346491, 498609, 757147, 2271441, 6814323, 20442969]

約数ペア:

[(1, 20442969), (3, 6814323), (9, 2271441), (27, 757147), (41, 498609), (59, 346491), (123, 166203), (177, 115497), (313, 65313), (369, 55401), (531, 38499), (939, 21771), (1107, 18467), (1593, 12833), (2419, 8451), (2817, 7257)]