20787003655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{57781}}^1$

素因数の和:58039

約数の個数: 32

約数和(自身を含む): 28223502336

約数和(自身を除く): 7436498681

約数列:

[1, 5, 11, 31, 55, 155, 211, 341, 1055, 1705, 2321, 6541, 11605, 32705, 57781, 71951, 288905, 359755, 635591, 1791211, 3177955, 8956055, 12191791, 19703321, 60958955, 98516605, 134109701, 377945521, 670548505, 1889727605, 4157400731, 20787003655]

約数ペア:

[(1, 20787003655), (5, 4157400731), (11, 1889727605), (31, 670548505), (55, 377945521), (155, 134109701), (211, 98516605), (341, 60958955), (1055, 19703321), (1705, 12191791), (2321, 8956055), (6541, 3177955), (11605, 1791211), (32705, 635591), (57781, 359755), (71951, 288905)]