20562885

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2251}}^1$

素因数の和:2298

約数の個数: 48

約数和(自身を含む): 42157440

約数和(自身を除く): 21594555

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 63, 87, 105, 145, 203, 261, 315, 435, 609, 1015, 1305, 1827, 2251, 3045, 6753, 9135, 11255, 15757, 20259, 33765, 47271, 65279, 78785, 101295, 141813, 195837, 236355, 326395, 456953, 587511, 709065, 979185, 1370859, 2284765, 2937555, 4112577, 6854295, 20562885]

約数ペア:

[(1, 20562885), (3, 6854295), (5, 4112577), (7, 2937555), (9, 2284765), (15, 1370859), (21, 979185), (29, 709065), (35, 587511), (45, 456953), (63, 326395), (87, 236355), (105, 195837), (145, 141813), (203, 101295), (261, 78785), (315, 65279), (435, 47271), (609, 33765), (1015, 20259), (1305, 15757), (1827, 11255), (2251, 9135), (3045, 6753)]