20684621696

素因数分解:

$2^7\times {\mathrm{1051}}^1\times {\mathrm{153757}}^1$

素因数の和:154822

約数の個数: 32

約数和(自身を含む): 41247121080

約数和(自身を除く): 20562499384

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 1051, 2102, 4204, 8408, 16816, 33632, 67264, 134528, 153757, 307514, 615028, 1230056, 2460112, 4920224, 9840448, 19680896, 161598607, 323197214, 646394428, 1292788856, 2585577712, 5171155424, 10342310848, 20684621696]

約数ペア:

[(1, 20684621696), (2, 10342310848), (4, 5171155424), (8, 2585577712), (16, 1292788856), (32, 646394428), (64, 323197214), (128, 161598607), (1051, 19680896), (2102, 9840448), (4204, 4920224), (8408, 2460112), (16816, 1230056), (33632, 615028), (67264, 307514), (134528, 153757)]