20910585

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{233}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 34864128

約数和(自身を除く): 13953543

約数列:

[1, 3, 5, 15, 31, 93, 155, 193, 233, 465, 579, 699, 965, 1165, 2895, 3495, 5983, 7223, 17949, 21669, 29915, 36115, 44969, 89745, 108345, 134907, 224845, 674535, 1394039, 4182117, 6970195, 20910585]

約数ペア:

[(1, 20910585), (3, 6970195), (5, 4182117), (15, 1394039), (31, 674535), (93, 224845), (155, 134907), (193, 108345), (233, 89745), (465, 44969), (579, 36115), (699, 29915), (965, 21669), (1165, 17949), (2895, 7223), (3495, 5983)]