20542968

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{6959}}^1$

素因数の和:7012

約数の個数: 48

約数和(自身を含む): 57002400

約数和(自身を除く): 36459432

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, 6959, 13918, 20877, 27836, 41754, 55672, 62631, 83508, 125262, 167016, 250524, 285319, 501048, 570638, 855957, 1141276, 1711914, 2282552, 2567871, 3423828, 5135742, 6847656, 10271484, 20542968]

約数ペア:

[(1, 20542968), (2, 10271484), (3, 6847656), (4, 5135742), (6, 3423828), (8, 2567871), (9, 2282552), (12, 1711914), (18, 1141276), (24, 855957), (36, 570638), (41, 501048), (72, 285319), (82, 250524), (123, 167016), (164, 125262), (246, 83508), (328, 62631), (369, 55672), (492, 41754), (738, 27836), (984, 20877), (1476, 13918), (2952, 6959)]