20611504

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67801}}^1$

素因数の和:67828

約数の個数: 20

約数和(自身を含む): 42037240

約数和(自身を除く): 21425736

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67801, 135602, 271204, 542408, 1084816, 1288219, 2576438, 5152876, 10305752, 20611504]

約数ペア:

[(1, 20611504), (2, 10305752), (4, 5152876), (8, 2576438), (16, 1288219), (19, 1084816), (38, 542408), (76, 271204), (152, 135602), (304, 67801)]