20117884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8539}}^1$

素因数の和:8593

約数の個数: 24

約数和(自身を含む): 38259200

約数和(自身を除く): 18141316

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 8539, 17078, 34156, 162241, 264709, 324482, 529418, 648964, 1058836, 5029471, 10058942, 20117884]

約数ペア:

[(1, 20117884), (2, 10058942), (4, 5029471), (19, 1058836), (31, 648964), (38, 529418), (62, 324482), (76, 264709), (124, 162241), (589, 34156), (1178, 17078), (2356, 8539)]