20953368

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{12653}}^1$

素因数の和:12688

約数の個数: 48

約数和(自身を含む): 59220720

約数和(自身を除く): 38267352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 12653, 25306, 37959, 50612, 75918, 101224, 113877, 151836, 227754, 291019, 303672, 455508, 582038, 873057, 911016, 1164076, 1746114, 2328152, 2619171, 3492228, 5238342, 6984456, 10476684, 20953368]

約数ペア:

[(1, 20953368), (2, 10476684), (3, 6984456), (4, 5238342), (6, 3492228), (8, 2619171), (9, 2328152), (12, 1746114), (18, 1164076), (23, 911016), (24, 873057), (36, 582038), (46, 455508), (69, 303672), (72, 291019), (92, 227754), (138, 151836), (184, 113877), (207, 101224), (276, 75918), (414, 50612), (552, 37959), (828, 25306), (1656, 12653)]