20120778643

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{653}}^1\times {\mathrm{65699}}^1$

素因数の和:66426

約数の個数: 16

約数和(自身を含む): 23374483200

約数和(自身を除く): 3253704557

約数列:

[1, 7, 67, 469, 653, 4571, 43751, 65699, 306257, 459893, 4401833, 30812831, 42901447, 300310129, 2874396949, 20120778643]

約数ペア:

[(1, 20120778643), (7, 2874396949), (67, 300310129), (469, 42901447), (653, 30812831), (4571, 4401833), (43751, 459893), (65699, 306257)]