20213741772

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{863}}^1\times {\mathrm{2267}}^1$

素因数の和:3188

約数の個数: 144

約数和(自身を含む): 59915261952

約数和(自身を除く): 39701520180

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 63, 82, 84, 123, 126, 164, 246, 252, 287, 369, 492, 574, 738, 861, 863, 1148, 1476, 1722, 1726, 2267, 2583, 2589, 3444, 3452, 4534, 5166, 5178, 6041, 6801, 7767, 9068, 10332, 10356, 12082, 13602, 15534, 15869, 18123, 20403, 24164, 27204, 31068, 31738, 35383, 36246, 40806, 47607, 54369, 63476, 70766, 72492, 81612, 92947, 95214, 106149, 108738, 141532, 142821, 185894, 190428, 212298, 217476, 247681, 278841, 285642, 318447, 371788, 424596, 495362, 557682, 571284, 636894, 650629, 743043, 836523, 990724, 1115364, 1273788, 1301258, 1486086, 1673046, 1951887, 1956421, 2229129, 2602516, 2972172, 3346092, 3903774, 3912842, 4458258, 5855661, 5869263, 7807548, 7825684, 8916516, 11711322, 11738526, 13694947, 17607789, 23422644, 23477052, 27389894, 35215578, 41084841, 54779788, 70431156, 80213261, 82169682, 123254523, 160426522, 164339364, 240639783, 246509046, 320853044, 481279566, 493018092, 561492827, 721919349, 962559132, 1122985654, 1443838698, 1684478481, 2245971308, 2887677396, 3368956962, 5053435443, 6737913924, 10106870886, 20213741772]

約数ペア:

[(1, 20213741772), (2, 10106870886), (3, 6737913924), (4, 5053435443), (6, 3368956962), (7, 2887677396), (9, 2245971308), (12, 1684478481), (14, 1443838698), (18, 1122985654), (21, 962559132), (28, 721919349), (36, 561492827), (41, 493018092), (42, 481279566), (63, 320853044), (82, 246509046), (84, 240639783), (123, 164339364), (126, 160426522), (164, 123254523), (246, 82169682), (252, 80213261), (287, 70431156), (369, 54779788), (492, 41084841), (574, 35215578), (738, 27389894), (861, 23477052), (863, 23422644), (1148, 17607789), (1476, 13694947), (1722, 11738526), (1726, 11711322), (2267, 8916516), (2583, 7825684), (2589, 7807548), (3444, 5869263), (3452, 5855661), (4534, 4458258), (5166, 3912842), (5178, 3903774), (6041, 3346092), (6801, 2972172), (7767, 2602516), (9068, 2229129), (10332, 1956421), (10356, 1951887), (12082, 1673046), (13602, 1486086), (15534, 1301258), (15869, 1273788), (18123, 1115364), (20403, 990724), (24164, 836523), (27204, 743043), (31068, 650629), (31738, 636894), (35383, 571284), (36246, 557682), (40806, 495362), (47607, 424596), (54369, 371788), (63476, 318447), (70766, 285642), (72492, 278841), (81612, 247681), (92947, 217476), (95214, 212298), (106149, 190428), (108738, 185894), (141532, 142821)]