20856552585

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{503599}}^1$

素因数の和:503869

約数の個数: 32

約数和(自身を含む): 36549273600

約数和(自身を除く): 15692721015

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 251, 753, 1255, 2761, 3765, 8283, 13805, 41415, 503599, 1510797, 2517995, 5539589, 7553985, 16618767, 27697945, 83093835, 126403349, 379210047, 632016745, 1390436839, 1896050235, 4171310517, 6952184195, 20856552585]

約数ペア:

[(1, 20856552585), (3, 6952184195), (5, 4171310517), (11, 1896050235), (15, 1390436839), (33, 632016745), (55, 379210047), (165, 126403349), (251, 83093835), (753, 27697945), (1255, 16618767), (2761, 7553985), (3765, 5539589), (8283, 2517995), (13805, 1510797), (41415, 503599)]