20440914

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{521}}^1$

素因数の和:1042

約数の個数: 32

約数和(自身を含む): 44198784

約数和(自身を除く): 23757870

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 503, 521, 1006, 1042, 1509, 1563, 3018, 3126, 6539, 6773, 13078, 13546, 19617, 20319, 39234, 40638, 262063, 524126, 786189, 1572378, 3406819, 6813638, 10220457, 20440914]

約数ペア:

[(1, 20440914), (2, 10220457), (3, 6813638), (6, 3406819), (13, 1572378), (26, 786189), (39, 524126), (78, 262063), (503, 40638), (521, 39234), (1006, 20319), (1042, 19617), (1509, 13546), (1563, 13078), (3018, 6773), (3126, 6539)]