20253950

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{7643}}^1$

素因数の和:7708

約数の個数: 24

約数和(自身を含む): 38388168

約数和(自身を除く): 18134218

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650, 7643, 15286, 38215, 76430, 191075, 382150, 405079, 810158, 2025395, 4050790, 10126975, 20253950]

約数ペア:

[(1, 20253950), (2, 10126975), (5, 4050790), (10, 2025395), (25, 810158), (50, 405079), (53, 382150), (106, 191075), (265, 76430), (530, 38215), (1325, 15286), (2650, 7643)]