20576490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2711}}^1$

素因数の和:2755

約数の個数: 64

約数和(自身を含む): 56236032

約数和(自身を除く): 35659542

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 110, 115, 138, 165, 230, 253, 330, 345, 506, 690, 759, 1265, 1518, 2530, 2711, 3795, 5422, 7590, 8133, 13555, 16266, 27110, 29821, 40665, 59642, 62353, 81330, 89463, 124706, 149105, 178926, 187059, 298210, 311765, 374118, 447315, 623530, 685883, 894630, 935295, 1371766, 1870590, 2057649, 3429415, 4115298, 6858830, 10288245, 20576490]

約数ペア:

[(1, 20576490), (2, 10288245), (3, 6858830), (5, 4115298), (6, 3429415), (10, 2057649), (11, 1870590), (15, 1371766), (22, 935295), (23, 894630), (30, 685883), (33, 623530), (46, 447315), (55, 374118), (66, 311765), (69, 298210), (110, 187059), (115, 178926), (138, 149105), (165, 124706), (230, 89463), (253, 81330), (330, 62353), (345, 59642), (506, 40665), (690, 29821), (759, 27110), (1265, 16266), (1518, 13555), (2530, 8133), (2711, 7590), (3795, 5422)]