20512991546

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1039}}^1\times {\mathrm{519553}}^1$

素因数の和:520613

約数の個数: 16

約数和(自身を含む): 32420169600

約数和(自身を除く): 11907178054

約数列:

[1, 2, 19, 38, 1039, 2078, 19741, 39482, 519553, 1039106, 9871507, 19743014, 539815567, 1079631134, 10256495773, 20512991546]

約数ペア:

[(1, 20512991546), (2, 10256495773), (19, 1079631134), (38, 539815567), (1039, 19743014), (2078, 9871507), (19741, 1039106), (39482, 519553)]