20669036

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{631}}^1$

素因数の和:1085

約数の個数: 24

約数和(自身を含む): 38223360

約数和(自身を除く): 17554324

約数列:

[1, 2, 4, 19, 38, 76, 431, 631, 862, 1262, 1724, 2524, 8189, 11989, 16378, 23978, 32756, 47956, 271961, 543922, 1087844, 5167259, 10334518, 20669036]

約数ペア:

[(1, 20669036), (2, 10334518), (4, 5167259), (19, 1087844), (38, 543922), (76, 271961), (431, 47956), (631, 32756), (862, 23978), (1262, 16378), (1724, 11989), (2524, 8189)]