21062097680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20252017}}^1$

素因数の和:20252043

約数の個数: 40

約数和(自身を含む): 52736254872

約数和(自身を除く): 31674157192

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 20252017, 40504034, 81008068, 101260085, 162016136, 202520170, 263276221, 324032272, 405040340, 526552442, 810080680, 1053104884, 1316381105, 1620161360, 2106209768, 2632762210, 4212419536, 5265524420, 10531048840, 21062097680]

約数ペア:

[(1, 21062097680), (2, 10531048840), (4, 5265524420), (5, 4212419536), (8, 2632762210), (10, 2106209768), (13, 1620161360), (16, 1316381105), (20, 1053104884), (26, 810080680), (40, 526552442), (52, 405040340), (65, 324032272), (80, 263276221), (104, 202520170), (130, 162016136), (208, 101260085), (260, 81008068), (520, 40504034), (1040, 20252017)]