20311464745

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{29017}}^1$

素因数の和:29146

約数の個数: 48

約数和(自身を含む): 29177018640

約数和(自身を除く): 8865553895

約数列:

[1, 5, 11, 13, 55, 65, 89, 121, 143, 445, 605, 715, 979, 1157, 1573, 4895, 5785, 7865, 10769, 12727, 29017, 53845, 63635, 139997, 145085, 319187, 377221, 699985, 1595935, 1886105, 2582513, 3511057, 4149431, 12912565, 17555285, 20747155, 28407643, 33572669, 45643741, 142038215, 167863345, 228218705, 312484073, 369299359, 1562420365, 1846496795, 4062292949, 20311464745]

約数ペア:

[(1, 20311464745), (5, 4062292949), (11, 1846496795), (13, 1562420365), (55, 369299359), (65, 312484073), (89, 228218705), (121, 167863345), (143, 142038215), (445, 45643741), (605, 33572669), (715, 28407643), (979, 20747155), (1157, 17555285), (1573, 12912565), (4895, 4149431), (5785, 3511057), (7865, 2582513), (10769, 1886105), (12727, 1595935), (29017, 699985), (53845, 377221), (63635, 319187), (139997, 145085)]