20995524

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:207

約数の個数: 120

約数和(自身を含む): 61715808

約数和(自身を除く): 40720284

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 43, 44, 54, 66, 81, 86, 99, 108, 129, 132, 137, 162, 172, 198, 258, 274, 297, 324, 387, 396, 411, 473, 516, 548, 594, 774, 822, 891, 946, 1161, 1188, 1233, 1419, 1507, 1548, 1644, 1782, 1892, 2322, 2466, 2838, 3014, 3483, 3564, 3699, 4257, 4521, 4644, 4932, 5676, 5891, 6028, 6966, 7398, 8514, 9042, 11097, 11782, 12771, 13563, 13932, 14796, 17028, 17673, 18084, 22194, 23564, 25542, 27126, 35346, 38313, 40689, 44388, 51084, 53019, 54252, 64801, 70692, 76626, 81378, 106038, 122067, 129602, 153252, 159057, 162756, 194403, 212076, 244134, 259204, 318114, 388806, 477171, 488268, 583209, 636228, 777612, 954342, 1166418, 1749627, 1908684, 2332836, 3499254, 5248881, 6998508, 10497762, 20995524]

約数ペア:

[(1, 20995524), (2, 10497762), (3, 6998508), (4, 5248881), (6, 3499254), (9, 2332836), (11, 1908684), (12, 1749627), (18, 1166418), (22, 954342), (27, 777612), (33, 636228), (36, 583209), (43, 488268), (44, 477171), (54, 388806), (66, 318114), (81, 259204), (86, 244134), (99, 212076), (108, 194403), (129, 162756), (132, 159057), (137, 153252), (162, 129602), (172, 122067), (198, 106038), (258, 81378), (274, 76626), (297, 70692), (324, 64801), (387, 54252), (396, 53019), (411, 51084), (473, 44388), (516, 40689), (548, 38313), (594, 35346), (774, 27126), (822, 25542), (891, 23564), (946, 22194), (1161, 18084), (1188, 17673), (1233, 17028), (1419, 14796), (1507, 13932), (1548, 13563), (1644, 12771), (1782, 11782), (1892, 11097), (2322, 9042), (2466, 8514), (2838, 7398), (3014, 6966), (3483, 6028), (3564, 5891), (3699, 5676), (4257, 4932), (4521, 4644)]