20408027451

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{57165343}}^1$

素因数の和:57165370

約数の個数: 16

約数和(自身を含む): 32927238144

約数和(自身を除く): 12519210693

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 57165343, 171496029, 400157401, 971810831, 1200472203, 2915432493, 6802675817, 20408027451]

約数ペア:

[(1, 20408027451), (3, 6802675817), (7, 2915432493), (17, 1200472203), (21, 971810831), (51, 400157401), (119, 171496029), (357, 57165343)]