20783122235

素因数分解:

$5^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1\times {\mathrm{74573}}^1$

素因数の和:75118

約数の個数: 16

約数和(自身を含む): 25182148320

約数和(自身を除く): 4399026085

約数列:

[1, 5, 139, 401, 695, 2005, 55739, 74573, 278695, 372865, 10365647, 29903773, 51828235, 149518865, 4156624447, 20783122235]

約数ペア:

[(1, 20783122235), (5, 4156624447), (139, 149518865), (401, 51828235), (695, 29903773), (2005, 10365647), (55739, 372865), (74573, 278695)]