20565521880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{551059}}^1$

素因数の和:551384

約数の個数: 64

約数和(自身を含む): 61895059200

約数和(自身を除く): 41329537320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 311, 622, 933, 1244, 1555, 1866, 2488, 3110, 3732, 4665, 6220, 7464, 9330, 12440, 18660, 37320, 551059, 1102118, 1653177, 2204236, 2755295, 3306354, 4408472, 5510590, 6612708, 8265885, 11021180, 13225416, 16531770, 22042360, 33063540, 66127080, 171379349, 342758698, 514138047, 685517396, 856896745, 1028276094, 1371034792, 1713793490, 2056552188, 2570690235, 3427586980, 4113104376, 5141380470, 6855173960, 10282760940, 20565521880]

約数ペア:

[(1, 20565521880), (2, 10282760940), (3, 6855173960), (4, 5141380470), (5, 4113104376), (6, 3427586980), (8, 2570690235), (10, 2056552188), (12, 1713793490), (15, 1371034792), (20, 1028276094), (24, 856896745), (30, 685517396), (40, 514138047), (60, 342758698), (120, 171379349), (311, 66127080), (622, 33063540), (933, 22042360), (1244, 16531770), (1555, 13225416), (1866, 11021180), (2488, 8265885), (3110, 6612708), (3732, 5510590), (4665, 4408472), (6220, 3306354), (7464, 2755295), (9330, 2204236), (12440, 1653177), (18660, 1102118), (37320, 551059)]