20153727

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 33965568

約数和(自身を除く): 13811841

約数列:

[1, 3, 9, 11, 23, 33, 53, 69, 99, 159, 167, 207, 253, 477, 501, 583, 759, 1219, 1503, 1749, 1837, 2277, 3657, 3841, 5247, 5511, 8851, 10971, 11523, 13409, 16533, 26553, 34569, 40227, 42251, 79659, 97361, 120681, 126753, 203573, 292083, 380259, 610719, 876249, 1832157, 2239303, 6717909, 20153727]

約数ペア:

[(1, 20153727), (3, 6717909), (9, 2239303), (11, 1832157), (23, 876249), (33, 610719), (53, 380259), (69, 292083), (99, 203573), (159, 126753), (167, 120681), (207, 97361), (253, 79659), (477, 42251), (501, 40227), (583, 34569), (759, 26553), (1219, 16533), (1503, 13409), (1749, 11523), (1837, 10971), (2277, 8851), (3657, 5511), (3841, 5247)]