20971447197

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{1171}}^1\times {\mathrm{351157}}^1$

素因数の和:352348

約数の個数: 16

約数和(自身を含む): 29632116672

約数和(自身を除く): 8660669475

約数列:

[1, 3, 17, 51, 1171, 3513, 19907, 59721, 351157, 1053471, 5969669, 17909007, 411204847, 1233614541, 6990482399, 20971447197]

約数ペア:

[(1, 20971447197), (3, 6990482399), (17, 1233614541), (51, 411204847), (1171, 17909007), (3513, 5969669), (19907, 1053471), (59721, 351157)]