20075419

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{683}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 7503461

約数列:

[1, 7, 13, 17, 19, 91, 119, 133, 221, 247, 323, 683, 1547, 1729, 2261, 4199, 4781, 8879, 11611, 12977, 29393, 62153, 81277, 90839, 150943, 168701, 220609, 1056601, 1180907, 1544263, 2867917, 20075419]

約数ペア:

[(1, 20075419), (7, 2867917), (13, 1544263), (17, 1180907), (19, 1056601), (91, 220609), (119, 168701), (133, 150943), (221, 90839), (247, 81277), (323, 62153), (683, 29393), (1547, 12977), (1729, 11611), (2261, 8879), (4199, 4781)]