20168699705

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1\times {\mathrm{1933}}^1$

素因数の和:2658

約数の個数: 64

約数和(自身を含む): 30973211136

約数和(自身を除く): 10804511431

約数列:

[1, 5, 7, 11, 35, 41, 55, 77, 205, 287, 385, 451, 661, 1435, 1933, 2255, 3157, 3305, 4627, 7271, 9665, 13531, 15785, 21263, 23135, 27101, 36355, 50897, 67655, 79253, 106315, 135505, 148841, 189707, 254485, 298111, 396265, 554771, 744205, 871783, 948535, 1277713, 1490555, 2086777, 2773855, 4358915, 6102481, 6388565, 8943991, 10433885, 14054843, 30512405, 44719955, 52386233, 70274215, 98383901, 261931165, 366703631, 491919505, 576248563, 1833518155, 2881242815, 4033739941, 20168699705]

約数ペア:

[(1, 20168699705), (5, 4033739941), (7, 2881242815), (11, 1833518155), (35, 576248563), (41, 491919505), (55, 366703631), (77, 261931165), (205, 98383901), (287, 70274215), (385, 52386233), (451, 44719955), (661, 30512405), (1435, 14054843), (1933, 10433885), (2255, 8943991), (3157, 6388565), (3305, 6102481), (4627, 4358915), (7271, 2773855), (9665, 2086777), (13531, 1490555), (15785, 1277713), (21263, 948535), (23135, 871783), (27101, 744205), (36355, 554771), (50897, 396265), (67655, 298111), (79253, 254485), (106315, 189707), (135505, 148841)]