20777160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{103}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 64509120

約数和(自身を除く): 43731960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 103, 120, 123, 164, 205, 206, 246, 309, 328, 410, 412, 492, 515, 615, 618, 820, 824, 984, 1030, 1230, 1236, 1545, 1640, 1681, 2060, 2460, 2472, 3090, 3362, 4120, 4223, 4920, 5043, 6180, 6724, 8405, 8446, 10086, 12360, 12669, 13448, 16810, 16892, 20172, 21115, 25215, 25338, 33620, 33784, 40344, 42230, 50430, 50676, 63345, 67240, 84460, 100860, 101352, 126690, 168920, 173143, 201720, 253380, 346286, 506760, 519429, 692572, 865715, 1038858, 1385144, 1731430, 2077716, 2597145, 3462860, 4155432, 5194290, 6925720, 10388580, 20777160]

約数ペア:

[(1, 20777160), (2, 10388580), (3, 6925720), (4, 5194290), (5, 4155432), (6, 3462860), (8, 2597145), (10, 2077716), (12, 1731430), (15, 1385144), (20, 1038858), (24, 865715), (30, 692572), (40, 519429), (41, 506760), (60, 346286), (82, 253380), (103, 201720), (120, 173143), (123, 168920), (164, 126690), (205, 101352), (206, 100860), (246, 84460), (309, 67240), (328, 63345), (410, 50676), (412, 50430), (492, 42230), (515, 40344), (615, 33784), (618, 33620), (820, 25338), (824, 25215), (984, 21115), (1030, 20172), (1230, 16892), (1236, 16810), (1545, 13448), (1640, 12669), (1681, 12360), (2060, 10086), (2460, 8446), (2472, 8405), (3090, 6724), (3362, 6180), (4120, 5043), (4223, 4920)]