20121247928

素因数分解:

$2^3\times {\mathrm{283}}^1\times {\mathrm{467}}^1\times {\mathrm{19031}}^1$

素因数の和:19787

約数の個数: 32

約数和(自身を含む): 37943717760

約数和(自身を除く): 17822469832

約数列:

[1, 2, 4, 8, 283, 467, 566, 934, 1132, 1868, 2264, 3736, 19031, 38062, 76124, 132161, 152248, 264322, 528644, 1057288, 5385773, 8887477, 10771546, 17774954, 21543092, 35549908, 43086184, 71099816, 2515155991, 5030311982, 10060623964, 20121247928]

約数ペア:

[(1, 20121247928), (2, 10060623964), (4, 5030311982), (8, 2515155991), (283, 71099816), (467, 43086184), (566, 35549908), (934, 21543092), (1132, 17774954), (1868, 10771546), (2264, 8887477), (3736, 5385773), (19031, 1057288), (38062, 528644), (76124, 264322), (132161, 152248)]