20443852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 42561792

約数和(自身を除く): 22117940

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 103, 143, 206, 286, 347, 412, 572, 694, 1133, 1339, 1388, 2266, 2678, 3817, 4511, 4532, 5356, 7634, 9022, 14729, 15268, 18044, 29458, 35741, 49621, 58916, 71482, 99242, 142964, 198484, 393151, 464633, 786302, 929266, 1572604, 1858532, 5110963, 10221926, 20443852]

約数ペア:

[(1, 20443852), (2, 10221926), (4, 5110963), (11, 1858532), (13, 1572604), (22, 929266), (26, 786302), (44, 464633), (52, 393151), (103, 198484), (143, 142964), (206, 99242), (286, 71482), (347, 58916), (412, 49621), (572, 35741), (694, 29458), (1133, 18044), (1339, 15268), (1388, 14729), (2266, 9022), (2678, 7634), (3817, 5356), (4511, 4532)]