20805642

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:228

約数の個数: 96

約数和(自身を含む): 54250560

約数和(自身を除く): 33444918

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 59, 66, 78, 99, 117, 118, 137, 143, 177, 198, 234, 274, 286, 354, 411, 429, 531, 649, 767, 822, 858, 1062, 1233, 1287, 1298, 1507, 1534, 1781, 1947, 2301, 2466, 2574, 3014, 3562, 3894, 4521, 4602, 5343, 5841, 6903, 8083, 8437, 9042, 10686, 11682, 13563, 13806, 16029, 16166, 16874, 19591, 24249, 25311, 27126, 32058, 39182, 48498, 50622, 58773, 72747, 75933, 88913, 105079, 117546, 145494, 151866, 176319, 177826, 210158, 266739, 315237, 352638, 533478, 630474, 800217, 945711, 1155869, 1600434, 1891422, 2311738, 3467607, 6935214, 10402821, 20805642]

約数ペア:

[(1, 20805642), (2, 10402821), (3, 6935214), (6, 3467607), (9, 2311738), (11, 1891422), (13, 1600434), (18, 1155869), (22, 945711), (26, 800217), (33, 630474), (39, 533478), (59, 352638), (66, 315237), (78, 266739), (99, 210158), (117, 177826), (118, 176319), (137, 151866), (143, 145494), (177, 117546), (198, 105079), (234, 88913), (274, 75933), (286, 72747), (354, 58773), (411, 50622), (429, 48498), (531, 39182), (649, 32058), (767, 27126), (822, 25311), (858, 24249), (1062, 19591), (1233, 16874), (1287, 16166), (1298, 16029), (1507, 13806), (1534, 13563), (1781, 11682), (1947, 10686), (2301, 9042), (2466, 8437), (2574, 8083), (3014, 6903), (3562, 5841), (3894, 5343), (4521, 4602)]