20512363509

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{21323}}^1$

素因数の和:21463

約数の個数: 64

約数和(自身を含む): 34391347200

約数和(自身を除く): 13878983691

約数列:

[1, 3, 9, 11, 27, 33, 41, 79, 99, 123, 237, 297, 369, 451, 711, 869, 1107, 1353, 2133, 2607, 3239, 4059, 7821, 9717, 12177, 21323, 23463, 29151, 35629, 63969, 87453, 106887, 191907, 234553, 320661, 575721, 703659, 874243, 961983, 1684517, 2110977, 2622729, 5053551, 6332931, 7868187, 9616673, 15160653, 18529687, 23604561, 28850019, 45481959, 55589061, 69065197, 86550057, 166767183, 207195591, 259650171, 500301549, 621586773, 759717167, 1864760319, 2279151501, 6837454503, 20512363509]

約数ペア:

[(1, 20512363509), (3, 6837454503), (9, 2279151501), (11, 1864760319), (27, 759717167), (33, 621586773), (41, 500301549), (79, 259650171), (99, 207195591), (123, 166767183), (237, 86550057), (297, 69065197), (369, 55589061), (451, 45481959), (711, 28850019), (869, 23604561), (1107, 18529687), (1353, 15160653), (2133, 9616673), (2607, 7868187), (3239, 6332931), (4059, 5053551), (7821, 2622729), (9717, 2110977), (12177, 1684517), (21323, 961983), (23463, 874243), (29151, 703659), (35629, 575721), (63969, 320661), (87453, 234553), (106887, 191907)]