20020468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2939}}^1$

素因数の和:3087

約数の個数: 24

約数和(自身を含む): 38031840

約数和(自身を除く): 18011372

約数列:

[1, 2, 4, 13, 26, 52, 131, 262, 524, 1703, 2939, 3406, 5878, 6812, 11756, 38207, 76414, 152828, 385009, 770018, 1540036, 5005117, 10010234, 20020468]

約数ペア:

[(1, 20020468), (2, 10010234), (4, 5005117), (13, 1540036), (26, 770018), (52, 385009), (131, 152828), (262, 76414), (524, 38207), (1703, 11756), (2939, 6812), (3406, 5878)]