20954472968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2531}}^1\times {\mathrm{7237}}^1$

素因数の和:9798

約数の個数: 64

約数和(自身を含む): 46183072320

約数和(自身を除く): 25228599352

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 2531, 5062, 7237, 10124, 14474, 20248, 27841, 28948, 32903, 55682, 57896, 65806, 79607, 94081, 111364, 131612, 159214, 188162, 222728, 263224, 318428, 361933, 376324, 636856, 723866, 752648, 1034891, 1447732, 2069782, 2895464, 4139564, 8279128, 18316847, 36633694, 73267388, 146534776, 201485317, 238119011, 402970634, 476238022, 805941268, 952476044, 1611882536, 1904952088, 2619309121, 5238618242, 10477236484, 20954472968]

約数ペア:

[(1, 20954472968), (2, 10477236484), (4, 5238618242), (8, 2619309121), (11, 1904952088), (13, 1611882536), (22, 952476044), (26, 805941268), (44, 476238022), (52, 402970634), (88, 238119011), (104, 201485317), (143, 146534776), (286, 73267388), (572, 36633694), (1144, 18316847), (2531, 8279128), (5062, 4139564), (7237, 2895464), (10124, 2069782), (14474, 1447732), (20248, 1034891), (27841, 752648), (28948, 723866), (32903, 636856), (55682, 376324), (57896, 361933), (65806, 318428), (79607, 263224), (94081, 222728), (111364, 188162), (131612, 159214)]