20075128

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 38782800

約数和(自身を除く): 18707672

約数列:

[1, 2, 4, 8, 53, 106, 113, 212, 226, 419, 424, 452, 838, 904, 1676, 3352, 5989, 11978, 22207, 23956, 44414, 47347, 47912, 88828, 94694, 177656, 189388, 378776, 2509391, 5018782, 10037564, 20075128]

約数ペア:

[(1, 20075128), (2, 10037564), (4, 5018782), (8, 2509391), (53, 378776), (106, 189388), (113, 177656), (212, 94694), (226, 88828), (419, 47912), (424, 47347), (452, 44414), (838, 23956), (904, 22207), (1676, 11978), (3352, 5989)]