20884734

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{599}}^1$

素因数の和:769

約数の個数: 48

約数和(自身を含む): 49140000

約数和(自身を除く): 28255266

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 149, 234, 298, 447, 599, 894, 1198, 1341, 1797, 1937, 2682, 3594, 3874, 5391, 5811, 7787, 10782, 11622, 15574, 17433, 23361, 34866, 46722, 70083, 89251, 140166, 178502, 267753, 535506, 803259, 1160263, 1606518, 2320526, 3480789, 6961578, 10442367, 20884734]

約数ペア:

[(1, 20884734), (2, 10442367), (3, 6961578), (6, 3480789), (9, 2320526), (13, 1606518), (18, 1160263), (26, 803259), (39, 535506), (78, 267753), (117, 178502), (149, 140166), (234, 89251), (298, 70083), (447, 46722), (599, 34866), (894, 23361), (1198, 17433), (1341, 15574), (1797, 11622), (1937, 10782), (2682, 7787), (3594, 5811), (3874, 5391)]