20711658

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 47775744

約数和(自身を除く): 27064086

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 53, 62, 66, 93, 106, 159, 186, 191, 318, 341, 382, 573, 583, 682, 1023, 1146, 1166, 1643, 1749, 2046, 2101, 3286, 3498, 4202, 4929, 5921, 6303, 9858, 10123, 11842, 12606, 17763, 18073, 20246, 30369, 35526, 36146, 54219, 60738, 65131, 108438, 111353, 130262, 195393, 222706, 313813, 334059, 390786, 627626, 668118, 941439, 1882878, 3451943, 6903886, 10355829, 20711658]

約数ペア:

[(1, 20711658), (2, 10355829), (3, 6903886), (6, 3451943), (11, 1882878), (22, 941439), (31, 668118), (33, 627626), (53, 390786), (62, 334059), (66, 313813), (93, 222706), (106, 195393), (159, 130262), (186, 111353), (191, 108438), (318, 65131), (341, 60738), (382, 54219), (573, 36146), (583, 35526), (682, 30369), (1023, 20246), (1146, 18073), (1166, 17763), (1643, 12606), (1749, 11842), (2046, 10123), (2101, 9858), (3286, 6303), (3498, 5921), (4202, 4929)]