20005132

素因数分解:

$2^2\times 7^4\times {\mathrm{2083}}^1$

素因数の和:2115

約数の個数: 30

約数和(自身を含む): 40860988

約数和(自身を除く): 20855856

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2083, 2401, 4166, 4802, 8332, 9604, 14581, 29162, 58324, 102067, 204134, 408268, 714469, 1428938, 2857876, 5001283, 10002566, 20005132]

約数ペア:

[(1, 20005132), (2, 10002566), (4, 5001283), (7, 2857876), (14, 1428938), (28, 714469), (49, 408268), (98, 204134), (196, 102067), (343, 58324), (686, 29162), (1372, 14581), (2083, 9604), (2401, 8332), (4166, 4802)]