20921237564

素因数分解:

$2^2\times {\mathrm{229}}^1\times {\mathrm{829}}^1\times {\mathrm{27551}}^1$

素因数の和:28613

約数の個数: 24

約数和(自身を含む): 36817737600

約数和(自身を除く): 15896500036

約数列:

[1, 2, 4, 229, 458, 829, 916, 1658, 3316, 27551, 55102, 110204, 189841, 379682, 759364, 6309179, 12618358, 22839779, 25236716, 45679558, 91359116, 5230309391, 10460618782, 20921237564]

約数ペア:

[(1, 20921237564), (2, 10460618782), (4, 5230309391), (229, 91359116), (458, 45679558), (829, 25236716), (916, 22839779), (1658, 12618358), (3316, 6309179), (27551, 759364), (55102, 379682), (110204, 189841)]