20013777

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6229}}^1$

素因数の和:6262

約数の個数: 32

約数和(自身を含む): 35884800

約数和(自身を除く): 15871023

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 6229, 18687, 43603, 56061, 105893, 130809, 168183, 317679, 392427, 741251, 953037, 1177281, 2223753, 2859111, 6671259, 20013777]

約数ペア:

[(1, 20013777), (3, 6671259), (7, 2859111), (9, 2223753), (17, 1177281), (21, 953037), (27, 741251), (51, 392427), (63, 317679), (119, 168183), (153, 130809), (189, 105893), (357, 56061), (459, 43603), (1071, 18687), (3213, 6229)]