20876516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8861}}^1$

素因数の和:8915

約数の個数: 24

約数和(自身を含む): 39701760

約数和(自身を除く): 18825244

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 8861, 17722, 35444, 168359, 274691, 336718, 549382, 673436, 1098764, 5219129, 10438258, 20876516]

約数ペア:

[(1, 20876516), (2, 10438258), (4, 5219129), (19, 1098764), (31, 673436), (38, 549382), (62, 336718), (76, 274691), (124, 168359), (589, 35444), (1178, 17722), (2356, 8861)]