20971064

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{569}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 41860800

約数和(自身を除く): 20889736

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 271, 542, 569, 1084, 1138, 2168, 2276, 4552, 4607, 9214, 9673, 18428, 19346, 36856, 38692, 77384, 154199, 308398, 616796, 1233592, 2621383, 5242766, 10485532, 20971064]

約数ペア:

[(1, 20971064), (2, 10485532), (4, 5242766), (8, 2621383), (17, 1233592), (34, 616796), (68, 308398), (136, 154199), (271, 77384), (542, 38692), (569, 36856), (1084, 19346), (1138, 18428), (2168, 9673), (2276, 9214), (4552, 4607)]