20936643

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1447}}^1$

素因数の和:1523

約数の個数: 32

約数和(自身を含む): 35030016

約数和(自身を除く): 14093373

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 159, 273, 371, 689, 1113, 1447, 2067, 4341, 4823, 10129, 14469, 18811, 30387, 56433, 76691, 131677, 230073, 395031, 536837, 996983, 1610511, 2990949, 6978881, 20936643]

約数ペア:

[(1, 20936643), (3, 6978881), (7, 2990949), (13, 1610511), (21, 996983), (39, 536837), (53, 395031), (91, 230073), (159, 131677), (273, 76691), (371, 56433), (689, 30387), (1113, 18811), (1447, 14469), (2067, 10129), (4341, 4823)]