20804910728

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1789}}^1\times {\mathrm{9029}}^1$

素因数の和:10854

約数の個数: 64

約数和(自身を含む): 46551456000

約数和(自身を除く): 25746545272

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 1789, 3578, 7156, 9029, 12523, 14312, 18058, 25046, 36116, 41147, 50092, 63203, 72232, 82294, 100184, 126406, 164588, 207667, 252812, 288029, 329176, 415334, 505624, 576058, 830668, 1152116, 1453669, 1661336, 2304232, 2907338, 5814676, 11629352, 16152881, 32305762, 64611524, 113070167, 129223048, 226140334, 371516263, 452280668, 743032526, 904561336, 1486065052, 2600613841, 2972130104, 5201227682, 10402455364, 20804910728]

約数ペア:

[(1, 20804910728), (2, 10402455364), (4, 5201227682), (7, 2972130104), (8, 2600613841), (14, 1486065052), (23, 904561336), (28, 743032526), (46, 452280668), (56, 371516263), (92, 226140334), (161, 129223048), (184, 113070167), (322, 64611524), (644, 32305762), (1288, 16152881), (1789, 11629352), (3578, 5814676), (7156, 2907338), (9029, 2304232), (12523, 1661336), (14312, 1453669), (18058, 1152116), (25046, 830668), (36116, 576058), (41147, 505624), (50092, 415334), (63203, 329176), (72232, 288029), (82294, 252812), (100184, 207667), (126406, 164588)]