20805122008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7626511}}^1$

素因数の和:7626559

約数の個数: 32

約数和(自身を含む): 43928709120

約数和(自身を除く): 23123587112

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 7626511, 15253022, 30506044, 61012088, 83891621, 167783242, 236421841, 335566484, 472843682, 671132968, 945687364, 1891374728, 2600640251, 5201280502, 10402561004, 20805122008]

約数ペア:

[(1, 20805122008), (2, 10402561004), (4, 5201280502), (8, 2600640251), (11, 1891374728), (22, 945687364), (31, 671132968), (44, 472843682), (62, 335566484), (88, 236421841), (124, 167783242), (248, 83891621), (341, 61012088), (682, 30506044), (1364, 15253022), (2728, 7626511)]