20421862

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{2393}}^1$

素因数の和:2663

約数の個数: 16

約数和(自身を含む): 32577552

約数和(自身を除く): 12155690

約数列:

[1, 2, 17, 34, 251, 502, 2393, 4267, 4786, 8534, 40681, 81362, 600643, 1201286, 10210931, 20421862]

約数ペア:

[(1, 20421862), (2, 10210931), (17, 1201286), (34, 600643), (251, 81362), (502, 40681), (2393, 8534), (4267, 4786)]