20613816

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{6983}}^1$

素因数の和:7036

約数の個数: 48

約数和(自身を含む): 57198960

約数和(自身を除く): 36585144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 72, 82, 123, 164, 246, 328, 369, 492, 738, 984, 1476, 2952, 6983, 13966, 20949, 27932, 41898, 55864, 62847, 83796, 125694, 167592, 251388, 286303, 502776, 572606, 858909, 1145212, 1717818, 2290424, 2576727, 3435636, 5153454, 6871272, 10306908, 20613816]

約数ペア:

[(1, 20613816), (2, 10306908), (3, 6871272), (4, 5153454), (6, 3435636), (8, 2576727), (9, 2290424), (12, 1717818), (18, 1145212), (24, 858909), (36, 572606), (41, 502776), (72, 286303), (82, 251388), (123, 167592), (164, 125694), (246, 83796), (328, 62847), (369, 55864), (492, 41898), (738, 27932), (984, 20949), (1476, 13966), (2952, 6983)]