20216742410

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{274423}}^1$

素因数の和:274622

約数の個数: 32

約数和(自身を含む): 37343617920

約数和(自身を除く): 17126875510

約数列:

[1, 2, 5, 10, 53, 106, 139, 265, 278, 530, 695, 1390, 7367, 14734, 36835, 73670, 274423, 548846, 1372115, 2744230, 14544419, 29088838, 38144797, 72722095, 76289594, 145444190, 190723985, 381447970, 2021674241, 4043348482, 10108371205, 20216742410]

約数ペア:

[(1, 20216742410), (2, 10108371205), (5, 4043348482), (10, 2021674241), (53, 381447970), (106, 190723985), (139, 145444190), (265, 76289594), (278, 72722095), (530, 38144797), (695, 29088838), (1390, 14544419), (7367, 2744230), (14734, 1372115), (36835, 548846), (73670, 274423)]