20004860

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{14929}}^1$

素因数の和:15005

約数の個数: 24

約数和(自身を含む): 42640080

約数和(自身を除く): 22635220

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 14929, 29858, 59716, 74645, 149290, 298580, 1000243, 2000486, 4000972, 5001215, 10002430, 20004860]

約数ペア:

[(1, 20004860), (2, 10002430), (4, 5001215), (5, 4000972), (10, 2000486), (20, 1000243), (67, 298580), (134, 149290), (268, 74645), (335, 59716), (670, 29858), (1340, 14929)]