20015556

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2861}}^1$

素因数の和:2932

約数の個数: 48

約数和(自身を含む): 51928128

約数和(自身を除く): 31912572

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 53, 66, 106, 132, 159, 212, 318, 583, 636, 1166, 1749, 2332, 2861, 3498, 5722, 6996, 8583, 11444, 17166, 31471, 34332, 62942, 94413, 125884, 151633, 188826, 303266, 377652, 454899, 606532, 909798, 1667963, 1819596, 3335926, 5003889, 6671852, 10007778, 20015556]

約数ペア:

[(1, 20015556), (2, 10007778), (3, 6671852), (4, 5003889), (6, 3335926), (11, 1819596), (12, 1667963), (22, 909798), (33, 606532), (44, 454899), (53, 377652), (66, 303266), (106, 188826), (132, 151633), (159, 125884), (212, 94413), (318, 62942), (583, 34332), (636, 31471), (1166, 17166), (1749, 11444), (2332, 8583), (2861, 6996), (3498, 5722)]