20841310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1721}}^1$

素因数の和:1908

約数の個数: 32

約数和(自身を含む): 43146432

約数和(自身を除く): 22305122

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 173, 346, 865, 1211, 1721, 1730, 2422, 3442, 6055, 8605, 12047, 12110, 17210, 24094, 60235, 120470, 297733, 595466, 1488665, 2084131, 2977330, 4168262, 10420655, 20841310]

約数ペア:

[(1, 20841310), (2, 10420655), (5, 4168262), (7, 2977330), (10, 2084131), (14, 1488665), (35, 595466), (70, 297733), (173, 120470), (346, 60235), (865, 24094), (1211, 17210), (1721, 12110), (1730, 12047), (2422, 8605), (3442, 6055)]