2009202008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{736511}}^1$

素因数の和:736559

約数の個数: 32

約数和(自身を含む): 4242309120

約数和(自身を除く): 2233107112

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 736511, 1473022, 2946044, 5892088, 8101621, 16203242, 22831841, 32406484, 45663682, 64812968, 91327364, 182654728, 251150251, 502300502, 1004601004, 2009202008]

約数ペア:

[(1, 2009202008), (2, 1004601004), (4, 502300502), (8, 251150251), (11, 182654728), (22, 91327364), (31, 64812968), (44, 45663682), (62, 32406484), (88, 22831841), (124, 16203242), (248, 8101621), (341, 5892088), (682, 2946044), (1364, 1473022), (2728, 736511)]