20717497437

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{9511}}^1$

素因数の和:9714

約数の個数: 64

約数和(自身を含む): 34772828160

約数和(自身を除く): 14055330723

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 101, 237, 273, 303, 553, 707, 1027, 1313, 1659, 2121, 3081, 3939, 7189, 7979, 9191, 9511, 21567, 23937, 27573, 28533, 55853, 66577, 103727, 123643, 167559, 199731, 311181, 370929, 726089, 751369, 865501, 960611, 2178267, 2254107, 2596503, 2881833, 5259583, 6724277, 9767797, 12487943, 15778749, 20172831, 29303391, 37463829, 68374579, 75888269, 87415601, 205123737, 227664807, 262246803, 531217883, 986547497, 1593653649, 2959642491, 6905832479, 20717497437]

約数ペア:

[(1, 20717497437), (3, 6905832479), (7, 2959642491), (13, 1593653649), (21, 986547497), (39, 531217883), (79, 262246803), (91, 227664807), (101, 205123737), (237, 87415601), (273, 75888269), (303, 68374579), (553, 37463829), (707, 29303391), (1027, 20172831), (1313, 15778749), (1659, 12487943), (2121, 9767797), (3081, 6724277), (3939, 5259583), (7189, 2881833), (7979, 2596503), (9191, 2254107), (9511, 2178267), (21567, 960611), (23937, 865501), (27573, 751369), (28533, 726089), (55853, 370929), (66577, 311181), (103727, 199731), (123643, 167559)]