20565012790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{577}}^1\times {\mathrm{2243}}^1$

素因数の和:3061

約数の個数: 64

約数和(自身を含む): 42584154624

約数和(自身を除く): 22019141834

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 227, 454, 577, 1135, 1154, 1589, 2243, 2270, 2885, 3178, 4039, 4486, 5770, 7945, 8078, 11215, 15701, 15890, 20195, 22430, 31402, 40390, 78505, 130979, 157010, 261958, 509161, 654895, 916853, 1018322, 1294211, 1309790, 1833706, 2545805, 2588422, 3564127, 4584265, 5091610, 6471055, 7128254, 9059477, 9168530, 12942110, 17820635, 18118954, 35641270, 45297385, 90594770, 293785897, 587571794, 1468929485, 2056501279, 2937858970, 4113002558, 10282506395, 20565012790]

約数ペア:

[(1, 20565012790), (2, 10282506395), (5, 4113002558), (7, 2937858970), (10, 2056501279), (14, 1468929485), (35, 587571794), (70, 293785897), (227, 90594770), (454, 45297385), (577, 35641270), (1135, 18118954), (1154, 17820635), (1589, 12942110), (2243, 9168530), (2270, 9059477), (2885, 7128254), (3178, 6471055), (4039, 5091610), (4486, 4584265), (5770, 3564127), (7945, 2588422), (8078, 2545805), (11215, 1833706), (15701, 1309790), (15890, 1294211), (20195, 1018322), (22430, 916853), (31402, 654895), (40390, 509161), (78505, 261958), (130979, 157010)]