20758416

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61781}}^1$

素因数の和:61799

約数の個数: 40

約数和(自身を含む): 61287744

約数和(自身を除く): 40529328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 61781, 123562, 185343, 247124, 370686, 432467, 494248, 741372, 864934, 988496, 1297401, 1482744, 1729868, 2594802, 2965488, 3459736, 5189604, 6919472, 10379208, 20758416]

約数ペア:

[(1, 20758416), (2, 10379208), (3, 6919472), (4, 5189604), (6, 3459736), (7, 2965488), (8, 2594802), (12, 1729868), (14, 1482744), (16, 1297401), (21, 988496), (24, 864934), (28, 741372), (42, 494248), (48, 432467), (56, 370686), (84, 247124), (112, 185343), (168, 123562), (336, 61781)]