20778845607

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{14447}}^1$

素因数の和:15132

約数の個数: 48

約数和(自身を含む): 34078786560

約数和(自身を除く): 13299940953

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 647, 741, 1941, 2223, 5823, 8411, 12293, 14447, 25233, 36879, 43341, 75699, 110637, 130023, 159809, 187811, 274493, 479427, 563433, 823479, 1438281, 1690299, 2470437, 3568409, 9347209, 10705227, 28041627, 32115681, 84124881, 121513717, 177596971, 364541151, 532790913, 1093623453, 1598372739, 2308760623, 6926281869, 20778845607]

約数ペア:

[(1, 20778845607), (3, 6926281869), (9, 2308760623), (13, 1598372739), (19, 1093623453), (39, 532790913), (57, 364541151), (117, 177596971), (171, 121513717), (247, 84124881), (647, 32115681), (741, 28041627), (1941, 10705227), (2223, 9347209), (5823, 3568409), (8411, 2470437), (12293, 1690299), (14447, 1438281), (25233, 823479), (36879, 563433), (43341, 479427), (75699, 274493), (110637, 187811), (130023, 159809)]