20019944

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2729}}^1$

素因数の和:2873

約数の個数: 32

約数和(自身を含む): 43243200

約数和(自身を除く): 23223256

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1048, 1834, 2729, 3668, 5458, 7336, 10916, 19103, 21832, 38206, 76412, 152824, 357499, 714998, 1429996, 2502493, 2859992, 5004986, 10009972, 20019944]

約数ペア:

[(1, 20019944), (2, 10009972), (4, 5004986), (7, 2859992), (8, 2502493), (14, 1429996), (28, 714998), (56, 357499), (131, 152824), (262, 76412), (524, 38206), (917, 21832), (1048, 19103), (1834, 10916), (2729, 7336), (3668, 5458)]