20744730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4349}}^1$

素因数の和:4415

約数の個数: 48

約数和(自身を含む): 54966600

約数和(自身を除く): 34221870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 318, 477, 530, 795, 954, 1590, 2385, 4349, 4770, 8698, 13047, 21745, 26094, 39141, 43490, 65235, 78282, 130470, 195705, 230497, 391410, 460994, 691491, 1152485, 1382982, 2074473, 2304970, 3457455, 4148946, 6914910, 10372365, 20744730]

約数ペア:

[(1, 20744730), (2, 10372365), (3, 6914910), (5, 4148946), (6, 3457455), (9, 2304970), (10, 2074473), (15, 1382982), (18, 1152485), (30, 691491), (45, 460994), (53, 391410), (90, 230497), (106, 195705), (159, 130470), (265, 78282), (318, 65235), (477, 43490), (530, 39141), (795, 26094), (954, 21745), (1590, 13047), (2385, 8698), (4349, 4770)]