20156194947

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1583}}^1\times {\mathrm{19559}}^1$

素因数の和:21183

約数の個数: 32

約数和(自身を含む): 31726632960

約数和(自身を除く): 11570438013

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 1583, 4749, 11081, 19559, 33243, 49073, 58677, 136913, 147219, 343511, 410739, 606329, 1030533, 1818987, 4244303, 12732909, 30961897, 92885691, 216733279, 650199837, 959818807, 2879456421, 6718731649, 20156194947]

約数ペア:

[(1, 20156194947), (3, 6718731649), (7, 2879456421), (21, 959818807), (31, 650199837), (93, 216733279), (217, 92885691), (651, 30961897), (1583, 12732909), (4749, 4244303), (11081, 1818987), (19559, 1030533), (33243, 606329), (49073, 410739), (58677, 343511), (136913, 147219)]