20137563957

素因数分解:

$3^1\times 7^4\times {\mathrm{23}}^1\times {\mathrm{121553}}^1$

素因数の和:121607

約数の個数: 40

約数和(自身を含む): 32685384384

約数和(自身を除く): 12547820427

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 343, 483, 1029, 1127, 2401, 3381, 7203, 7889, 23667, 55223, 121553, 165669, 364659, 850871, 2552613, 2795719, 5956097, 8387157, 17868291, 19570033, 41692679, 58710099, 125078037, 136990231, 291848753, 410970693, 875546259, 958931617, 2876794851, 6712521319, 20137563957]

約数ペア:

[(1, 20137563957), (3, 6712521319), (7, 2876794851), (21, 958931617), (23, 875546259), (49, 410970693), (69, 291848753), (147, 136990231), (161, 125078037), (343, 58710099), (483, 41692679), (1029, 19570033), (1127, 17868291), (2401, 8387157), (3381, 5956097), (7203, 2795719), (7889, 2552613), (23667, 850871), (55223, 364659), (121553, 165669)]