20218804736

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{3037681}}^1$

素因数の和:3037712

約数の個数: 40

約数和(自身を含む): 43505681604

約数和(自身を除く): 23286876868

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 3037681, 6075362, 12150724, 24301448, 39489853, 48602896, 78979706, 97205792, 157959412, 194411584, 315918824, 388823168, 631837648, 777646336, 1263675296, 1555292672, 2527350592, 5054701184, 10109402368, 20218804736]

約数ペア:

[(1, 20218804736), (2, 10109402368), (4, 5054701184), (8, 2527350592), (13, 1555292672), (16, 1263675296), (26, 777646336), (32, 631837648), (52, 388823168), (64, 315918824), (104, 194411584), (128, 157959412), (208, 97205792), (256, 78979706), (416, 48602896), (512, 39489853), (832, 24301448), (1664, 12150724), (3328, 6075362), (6656, 3037681)]