16779220

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5147}}^1$

素因数の和:5319

約数の個数: 24

約数和(自身を含む): 35459424

約数和(自身を除く): 18680204

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 5147, 10294, 20588, 25735, 51470, 102940, 838961, 1677922, 3355844, 4194805, 8389610, 16779220]

約数ペア:

[(1, 16779220), (2, 8389610), (4, 4194805), (5, 3355844), (10, 1677922), (20, 838961), (163, 102940), (326, 51470), (652, 25735), (815, 20588), (1630, 10294), (3260, 5147)]