20416773

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{467}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 31449600

約数和(自身を除く): 11032827

約数列:

[1, 3, 13, 19, 39, 57, 59, 177, 247, 467, 741, 767, 1121, 1401, 2301, 3363, 6071, 8873, 14573, 18213, 26619, 27553, 43719, 82659, 115349, 346047, 358189, 523507, 1074567, 1570521, 6805591, 20416773]

約数ペア:

[(1, 20416773), (3, 6805591), (13, 1570521), (19, 1074567), (39, 523507), (57, 358189), (59, 346047), (177, 115349), (247, 82659), (467, 43719), (741, 27553), (767, 26619), (1121, 18213), (1401, 14573), (2301, 8873), (3363, 6071)]