20679498

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4003}}^1$

素因数の和:4059

約数の個数: 48

約数和(自身を含む): 52468416

約数和(自身を除く): 31788918

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 63, 82, 123, 126, 246, 287, 369, 574, 738, 861, 1722, 2583, 4003, 5166, 8006, 12009, 24018, 28021, 36027, 56042, 72054, 84063, 164123, 168126, 252189, 328246, 492369, 504378, 984738, 1148861, 1477107, 2297722, 2954214, 3446583, 6893166, 10339749, 20679498]

約数ペア:

[(1, 20679498), (2, 10339749), (3, 6893166), (6, 3446583), (7, 2954214), (9, 2297722), (14, 1477107), (18, 1148861), (21, 984738), (41, 504378), (42, 492369), (63, 328246), (82, 252189), (123, 168126), (126, 164123), (246, 84063), (287, 72054), (369, 56042), (574, 36027), (738, 28021), (861, 24018), (1722, 12009), (2583, 8006), (4003, 5166)]