15820252

素因数分解:

$2^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1409}}^1$

素因数の和:1821

約数の個数: 24

約数和(自身を含む): 31741920

約数和(自身を除く): 15921668

約数列:

[1, 2, 4, 7, 14, 28, 401, 802, 1409, 1604, 2807, 2818, 5614, 5636, 9863, 11228, 19726, 39452, 565009, 1130018, 2260036, 3955063, 7910126, 15820252]

約数ペア:

[(1, 15820252), (2, 7910126), (4, 3955063), (7, 2260036), (14, 1130018), (28, 565009), (401, 39452), (802, 19726), (1409, 11228), (1604, 9863), (2807, 5636), (2818, 5614)]