20512991527

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{659}}^1\times {\mathrm{827}}^1$

素因数の和:1795

約数の個数: 32

約数和(自身を含む): 24832051200

約数和(自身を除く): 4319059673

約数列:

[1, 7, 19, 133, 283, 659, 827, 1981, 4613, 5377, 5789, 12521, 15713, 37639, 87647, 109991, 186497, 234041, 544993, 1305479, 1638287, 3543443, 3814951, 4446779, 10354867, 24804101, 31127453, 72484069, 154233019, 1079631133, 2930427361, 20512991527]

約数ペア:

[(1, 20512991527), (7, 2930427361), (19, 1079631133), (133, 154233019), (283, 72484069), (659, 31127453), (827, 24804101), (1981, 10354867), (4613, 4446779), (5377, 3814951), (5789, 3543443), (12521, 1638287), (15713, 1305479), (37639, 544993), (87647, 234041), (109991, 186497)]