20052279

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:301

約数の個数: 40

約数和(自身を含む): 32728080

約数和(自身を除く): 12675801

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 137, 139, 351, 411, 417, 1053, 1233, 1251, 1781, 1807, 3699, 3753, 5343, 5421, 11097, 11259, 16029, 16263, 19043, 48087, 48789, 57129, 144261, 146367, 171387, 247559, 514161, 742677, 1542483, 2228031, 6684093, 20052279]

約数ペア:

[(1, 20052279), (3, 6684093), (9, 2228031), (13, 1542483), (27, 742677), (39, 514161), (81, 247559), (117, 171387), (137, 146367), (139, 144261), (351, 57129), (411, 48789), (417, 48087), (1053, 19043), (1233, 16263), (1251, 16029), (1781, 11259), (1807, 11097), (3699, 5421), (3753, 5343)]