20847892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{587}}^1\times {\mathrm{683}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 39414816

約数和(自身を除く): 18566924

約数列:

[1, 2, 4, 13, 26, 52, 587, 683, 1174, 1366, 2348, 2732, 7631, 8879, 15262, 17758, 30524, 35516, 400921, 801842, 1603684, 5211973, 10423946, 20847892]

約数ペア:

[(1, 20847892), (2, 10423946), (4, 5211973), (13, 1603684), (26, 801842), (52, 400921), (587, 35516), (683, 30524), (1174, 17758), (1366, 15262), (2348, 8879), (2732, 7631)]