22720412

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 49424928

約数和(自身を除く): 26704516

約数列:

[1, 2, 4, 11, 13, 22, 23, 26, 44, 46, 52, 92, 121, 143, 157, 242, 253, 286, 299, 314, 484, 506, 572, 598, 628, 1012, 1196, 1573, 1727, 2041, 2783, 3146, 3289, 3454, 3611, 4082, 5566, 6292, 6578, 6908, 7222, 8164, 11132, 13156, 14444, 18997, 22451, 36179, 37994, 39721, 44902, 46943, 72358, 75988, 79442, 89804, 93886, 144716, 158884, 187772, 246961, 436931, 493922, 516373, 873862, 987844, 1032746, 1747724, 2065492, 5680103, 11360206, 22720412]

約数ペア:

[(1, 22720412), (2, 11360206), (4, 5680103), (11, 2065492), (13, 1747724), (22, 1032746), (23, 987844), (26, 873862), (44, 516373), (46, 493922), (52, 436931), (92, 246961), (121, 187772), (143, 158884), (157, 144716), (242, 93886), (253, 89804), (286, 79442), (299, 75988), (314, 72358), (484, 46943), (506, 44902), (572, 39721), (598, 37994), (628, 36179), (1012, 22451), (1196, 18997), (1573, 14444), (1727, 13156), (2041, 11132), (2783, 8164), (3146, 7222), (3289, 6908), (3454, 6578), (3611, 6292), (4082, 5566)]