20104109739

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{23029}}^1$

素因数の和:23225

約数の個数: 64

約数和(自身を含む): 35374080000

約数和(自身を除く): 15269970261

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 149, 189, 217, 279, 447, 651, 837, 1043, 1341, 1953, 3129, 4023, 4619, 5859, 9387, 13857, 23029, 28161, 32333, 41571, 69087, 96999, 124713, 161203, 207261, 290997, 483609, 621783, 713899, 872991, 1450827, 2141697, 3431321, 4352481, 4997293, 6425091, 10293963, 14991879, 19275273, 24019247, 30881889, 44975637, 72057741, 92645667, 106370951, 134926911, 216173223, 319112853, 648519669, 744596657, 957338559, 2233789971, 2872015677, 6701369913, 20104109739]

約数ペア:

[(1, 20104109739), (3, 6701369913), (7, 2872015677), (9, 2233789971), (21, 957338559), (27, 744596657), (31, 648519669), (63, 319112853), (93, 216173223), (149, 134926911), (189, 106370951), (217, 92645667), (279, 72057741), (447, 44975637), (651, 30881889), (837, 24019247), (1043, 19275273), (1341, 14991879), (1953, 10293963), (3129, 6425091), (4023, 4997293), (4619, 4352481), (5859, 3431321), (9387, 2141697), (13857, 1450827), (23029, 872991), (28161, 713899), (32333, 621783), (41571, 483609), (69087, 290997), (96999, 207261), (124713, 161203)]