20976670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14669}}^1$

素因数の和:14700

約数の個数: 32

約数和(自身を含む): 44362080

約数和(自身を除く): 23385410

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 14669, 29338, 73345, 146690, 161359, 190697, 322718, 381394, 806795, 953485, 1613590, 1906970, 2097667, 4195334, 10488335, 20976670]

約数ペア:

[(1, 20976670), (2, 10488335), (5, 4195334), (10, 2097667), (11, 1906970), (13, 1613590), (22, 953485), (26, 806795), (55, 381394), (65, 322718), (110, 190697), (130, 161359), (143, 146690), (286, 73345), (715, 29338), (1430, 14669)]