20786067455

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3270821}}^1$

素因数の和:3270898

約数の個数: 16

約数和(自身を含む): 26375908608

約数和(自身を除く): 5589841153

約数列:

[1, 5, 31, 41, 155, 205, 1271, 6355, 3270821, 16354105, 101395451, 134103661, 506977255, 670518305, 4157213491, 20786067455]

約数ペア:

[(1, 20786067455), (5, 4157213491), (31, 670518305), (41, 506977255), (155, 134103661), (205, 101395451), (1271, 16354105), (6355, 3270821)]