20120409113

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{152267}}^1$

素因数の和:152756

約数の個数: 16

約数和(自身を含む): 23583267840

約数和(自身を除く): 3462858727

約数列:

[1, 7, 43, 301, 439, 3073, 18877, 132139, 152267, 1065869, 6547481, 45832367, 66845213, 467916491, 2874344159, 20120409113]

約数ペア:

[(1, 20120409113), (7, 2874344159), (43, 467916491), (301, 66845213), (439, 45832367), (3073, 6547481), (18877, 1065869), (132139, 152267)]