20805926874

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{4957}}^1$

素因数の和:5279

約数の個数: 64

約数和(自身を含む): 43256923776

約数和(自身を除く): 22450996902

約数列:

[1, 2, 3, 6, 53, 67, 106, 134, 159, 197, 201, 318, 394, 402, 591, 1182, 3551, 4957, 7102, 9914, 10441, 10653, 13199, 14871, 20882, 21306, 26398, 29742, 31323, 39597, 62646, 79194, 262721, 332119, 525442, 664238, 699547, 788163, 976529, 996357, 1399094, 1576326, 1953058, 1992714, 2098641, 2929587, 4197282, 5859174, 17602307, 35204614, 51756037, 52806921, 65427443, 103512074, 105613842, 130854886, 155268111, 196282329, 310536222, 392564658, 3467654479, 6935308958, 10402963437, 20805926874]

約数ペア:

[(1, 20805926874), (2, 10402963437), (3, 6935308958), (6, 3467654479), (53, 392564658), (67, 310536222), (106, 196282329), (134, 155268111), (159, 130854886), (197, 105613842), (201, 103512074), (318, 65427443), (394, 52806921), (402, 51756037), (591, 35204614), (1182, 17602307), (3551, 5859174), (4957, 4197282), (7102, 2929587), (9914, 2098641), (10441, 1992714), (10653, 1953058), (13199, 1576326), (14871, 1399094), (20882, 996357), (21306, 976529), (26398, 788163), (29742, 699547), (31323, 664238), (39597, 525442), (62646, 332119), (79194, 262721)]