20113172

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8537}}^1$

素因数の和:8591

約数の個数: 24

約数和(自身を含む): 38250240

約数和(自身を除く): 18137068

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 8537, 17074, 34148, 162203, 264647, 324406, 529294, 648812, 1058588, 5028293, 10056586, 20113172]

約数ペア:

[(1, 20113172), (2, 10056586), (4, 5028293), (19, 1058588), (31, 648812), (38, 529294), (62, 324406), (76, 264647), (124, 162203), (589, 34148), (1178, 17074), (2356, 8537)]