20804916856

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{6949}}^1\times {\mathrm{19697}}^1$

素因数の和:26671

約数の個数: 32

約数和(自身を含む): 41070330000

約数和(自身を除く): 20265413144

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 6949, 13898, 19697, 27796, 39394, 55592, 78788, 132031, 157576, 264062, 374243, 528124, 748486, 1056248, 1496972, 2993944, 136874453, 273748906, 547497812, 1094995624, 2600614607, 5201229214, 10402458428, 20804916856]

約数ペア:

[(1, 20804916856), (2, 10402458428), (4, 5201229214), (8, 2600614607), (19, 1094995624), (38, 547497812), (76, 273748906), (152, 136874453), (6949, 2993944), (13898, 1496972), (19697, 1056248), (27796, 748486), (39394, 528124), (55592, 374243), (78788, 264062), (132031, 157576)]