20199204368

素因数分解:

$2^4\times 7^1\times {\mathrm{367}}^1\times {\mathrm{491417}}^1$

素因数の和:491799

約数の個数: 40

約数和(自身を含む): 44848772352

約数和(自身を除く): 24649567984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 367, 734, 1468, 2569, 2936, 5138, 5872, 10276, 20552, 41104, 491417, 982834, 1965668, 3439919, 3931336, 6879838, 7862672, 13759676, 27519352, 55038704, 180350039, 360700078, 721400156, 1262450273, 1442800312, 2524900546, 2885600624, 5049801092, 10099602184, 20199204368]

約数ペア:

[(1, 20199204368), (2, 10099602184), (4, 5049801092), (7, 2885600624), (8, 2524900546), (14, 1442800312), (16, 1262450273), (28, 721400156), (56, 360700078), (112, 180350039), (367, 55038704), (734, 27519352), (1468, 13759676), (2569, 7862672), (2936, 6879838), (5138, 3931336), (5872, 3439919), (10276, 1965668), (20552, 982834), (41104, 491417)]