20465830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3797}}^1$

素因数の和:3829

約数の個数: 48

約数和(自身を含む): 46760976

約数和(自身を除く): 26295146

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 3797, 5390, 7594, 18985, 26579, 37970, 41767, 53158, 83534, 132895, 186053, 208835, 265790, 292369, 372106, 417670, 584738, 930265, 1461845, 1860530, 2046583, 2923690, 4093166, 10232915, 20465830]

約数ペア:

[(1, 20465830), (2, 10232915), (5, 4093166), (7, 2923690), (10, 2046583), (11, 1860530), (14, 1461845), (22, 930265), (35, 584738), (49, 417670), (55, 372106), (70, 292369), (77, 265790), (98, 208835), (110, 186053), (154, 132895), (245, 83534), (385, 53158), (490, 41767), (539, 37970), (770, 26579), (1078, 18985), (2695, 7594), (3797, 5390)]