20956836

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 50549184

約数和(自身を除く): 29592348

約数列:

[1, 2, 3, 4, 6, 12, 53, 83, 106, 159, 166, 212, 249, 318, 332, 397, 498, 636, 794, 996, 1191, 1588, 2382, 4399, 4764, 8798, 13197, 17596, 21041, 26394, 32951, 42082, 52788, 63123, 65902, 84164, 98853, 126246, 131804, 197706, 252492, 395412, 1746403, 3492806, 5239209, 6985612, 10478418, 20956836]

約数ペア:

[(1, 20956836), (2, 10478418), (3, 6985612), (4, 5239209), (6, 3492806), (12, 1746403), (53, 395412), (83, 252492), (106, 197706), (159, 131804), (166, 126246), (212, 98853), (249, 84164), (318, 65902), (332, 63123), (397, 52788), (498, 42082), (636, 32951), (794, 26394), (996, 21041), (1191, 17596), (1588, 13197), (2382, 8798), (4399, 4764)]