20123887941

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{167}}^1\times {\mathrm{10859}}^1$

素因数の和:11175

約数の個数: 40

約数和(自身を含む): 30465167040

約数和(自身を除く): 10341279099

約数列:

[1, 3, 9, 27, 81, 137, 167, 411, 501, 1233, 1503, 3699, 4509, 10859, 11097, 13527, 22879, 32577, 68637, 97731, 205911, 293193, 617733, 879579, 1487683, 1813453, 1853199, 4463049, 5440359, 13389147, 16321077, 40167441, 48963231, 120502323, 146889693, 248443061, 745329183, 2235987549, 6707962647, 20123887941]

約数ペア:

[(1, 20123887941), (3, 6707962647), (9, 2235987549), (27, 745329183), (81, 248443061), (137, 146889693), (167, 120502323), (411, 48963231), (501, 40167441), (1233, 16321077), (1503, 13389147), (3699, 5440359), (4509, 4463049), (10859, 1853199), (11097, 1813453), (13527, 1487683), (22879, 879579), (32577, 617733), (68637, 293193), (97731, 205911)]