20970664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{797}}^1$

素因数の和:850

約数の個数: 64

約数和(自身を含む): 48263040

約数和(自身を除く): 27292376

約数列:

[1, 2, 4, 8, 11, 13, 22, 23, 26, 44, 46, 52, 88, 92, 104, 143, 184, 253, 286, 299, 506, 572, 598, 797, 1012, 1144, 1196, 1594, 2024, 2392, 3188, 3289, 6376, 6578, 8767, 10361, 13156, 17534, 18331, 20722, 26312, 35068, 36662, 41444, 70136, 73324, 82888, 113971, 146648, 201641, 227942, 238303, 403282, 455884, 476606, 806564, 911768, 953212, 1613128, 1906424, 2621333, 5242666, 10485332, 20970664]

約数ペア:

[(1, 20970664), (2, 10485332), (4, 5242666), (8, 2621333), (11, 1906424), (13, 1613128), (22, 953212), (23, 911768), (26, 806564), (44, 476606), (46, 455884), (52, 403282), (88, 238303), (92, 227942), (104, 201641), (143, 146648), (184, 113971), (253, 82888), (286, 73324), (299, 70136), (506, 41444), (572, 36662), (598, 35068), (797, 26312), (1012, 20722), (1144, 18331), (1196, 17534), (1594, 13156), (2024, 10361), (2392, 8767), (3188, 6578), (3289, 6376)]