20808320512

素因数分解:

$2^9\times 7^1\times {\mathrm{5805893}}^1$

素因数の和:5805918

約数の個数: 40

約数和(自身を含む): 47515436496

約数和(自身を除く): 26707115984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5805893, 11611786, 23223572, 40641251, 46447144, 81282502, 92894288, 162565004, 185788576, 325130008, 371577152, 650260016, 743154304, 1300520032, 1486308608, 2601040064, 2972617216, 5202080128, 10404160256, 20808320512]

約数ペア:

[(1, 20808320512), (2, 10404160256), (4, 5202080128), (7, 2972617216), (8, 2601040064), (14, 1486308608), (16, 1300520032), (28, 743154304), (32, 650260016), (56, 371577152), (64, 325130008), (112, 185788576), (128, 162565004), (224, 92894288), (256, 81282502), (448, 46447144), (512, 40641251), (896, 23223572), (1792, 11611786), (3584, 5805893)]