20995632

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:208

約数の個数: 160

約数和(自身を含む): 70709760

約数和(自身を除く): 49714128

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 53, 54, 56, 63, 72, 84, 106, 108, 112, 126, 131, 144, 159, 168, 189, 212, 216, 252, 262, 318, 336, 371, 378, 393, 424, 432, 477, 504, 524, 636, 742, 756, 786, 848, 917, 954, 1008, 1048, 1113, 1179, 1272, 1431, 1484, 1512, 1572, 1834, 1908, 2096, 2226, 2358, 2544, 2751, 2862, 2968, 3024, 3144, 3339, 3537, 3668, 3816, 4452, 4716, 5502, 5724, 5936, 6288, 6678, 6943, 7074, 7336, 7632, 8253, 8904, 9432, 10017, 11004, 11448, 13356, 13886, 14148, 14672, 16506, 17808, 18864, 20034, 20829, 22008, 22896, 24759, 26712, 27772, 28296, 33012, 40068, 41658, 44016, 48601, 49518, 53424, 55544, 56592, 62487, 66024, 80136, 83316, 97202, 99036, 111088, 124974, 132048, 145803, 160272, 166632, 187461, 194404, 198072, 249948, 291606, 333264, 374922, 388808, 396144, 437409, 499896, 583212, 749844, 777616, 874818, 999792, 1166424, 1312227, 1499688, 1749636, 2332848, 2624454, 2999376, 3499272, 5248908, 6998544, 10497816, 20995632]

約数ペア:

[(1, 20995632), (2, 10497816), (3, 6998544), (4, 5248908), (6, 3499272), (7, 2999376), (8, 2624454), (9, 2332848), (12, 1749636), (14, 1499688), (16, 1312227), (18, 1166424), (21, 999792), (24, 874818), (27, 777616), (28, 749844), (36, 583212), (42, 499896), (48, 437409), (53, 396144), (54, 388808), (56, 374922), (63, 333264), (72, 291606), (84, 249948), (106, 198072), (108, 194404), (112, 187461), (126, 166632), (131, 160272), (144, 145803), (159, 132048), (168, 124974), (189, 111088), (212, 99036), (216, 97202), (252, 83316), (262, 80136), (318, 66024), (336, 62487), (371, 56592), (378, 55544), (393, 53424), (424, 49518), (432, 48601), (477, 44016), (504, 41658), (524, 40068), (636, 33012), (742, 28296), (756, 27772), (786, 26712), (848, 24759), (917, 22896), (954, 22008), (1008, 20829), (1048, 20034), (1113, 18864), (1179, 17808), (1272, 16506), (1431, 14672), (1484, 14148), (1512, 13886), (1572, 13356), (1834, 11448), (1908, 11004), (2096, 10017), (2226, 9432), (2358, 8904), (2544, 8253), (2751, 7632), (2862, 7336), (2968, 7074), (3024, 6943), (3144, 6678), (3339, 6288), (3537, 5936), (3668, 5724), (3816, 5502), (4452, 4716)]