20587164

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131969}}^1$

素因数の和:131989

約数の個数: 24

約数和(自身を含む): 51732240

約数和(自身を除く): 31145076

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 131969, 263938, 395907, 527876, 791814, 1583628, 1715597, 3431194, 5146791, 6862388, 10293582, 20587164]

約数ペア:

[(1, 20587164), (2, 10293582), (3, 6862388), (4, 5146791), (6, 3431194), (12, 1715597), (13, 1583628), (26, 791814), (39, 527876), (52, 395907), (78, 263938), (156, 131969)]