20142784

素因数分解:

$2^6\times {\mathrm{491}}^1\times {\mathrm{641}}^1$

素因数の和:1144

約数の個数: 28

約数和(自身を含む): 40114728

約数和(自身を除く): 19971944

約数列:

[1, 2, 4, 8, 16, 32, 64, 491, 641, 982, 1282, 1964, 2564, 3928, 5128, 7856, 10256, 15712, 20512, 31424, 41024, 314731, 629462, 1258924, 2517848, 5035696, 10071392, 20142784]

約数ペア:

[(1, 20142784), (2, 10071392), (4, 5035696), (8, 2517848), (16, 1258924), (32, 629462), (64, 314731), (491, 41024), (641, 31424), (982, 20512), (1282, 15712), (1964, 10256), (2564, 7856), (3928, 5128)]