20123961060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47914193}}^1$

素因数の和:47914212

約数の個数: 48

約数和(自身を含む): 64396676736

約数和(自身を除く): 44272715676

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 47914193, 95828386, 143742579, 191656772, 239570965, 287485158, 335399351, 479141930, 574970316, 670798702, 718712895, 958283860, 1006198053, 1341597404, 1437425790, 1676996755, 2012396106, 2874851580, 3353993510, 4024792212, 5030990265, 6707987020, 10061980530, 20123961060]

約数ペア:

[(1, 20123961060), (2, 10061980530), (3, 6707987020), (4, 5030990265), (5, 4024792212), (6, 3353993510), (7, 2874851580), (10, 2012396106), (12, 1676996755), (14, 1437425790), (15, 1341597404), (20, 1006198053), (21, 958283860), (28, 718712895), (30, 670798702), (35, 574970316), (42, 479141930), (60, 335399351), (70, 287485158), (84, 239570965), (105, 191656772), (140, 143742579), (210, 95828386), (420, 47914193)]