20155339384

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{400607}}^1$

素因数の和:400963

約数の個数: 32

約数和(自身を含む): 39900556800

約数和(自身を除く): 19745217416

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 331, 662, 1324, 2648, 6289, 12578, 25156, 50312, 400607, 801214, 1602428, 3204856, 7611533, 15223066, 30446132, 60892264, 132600917, 265201834, 530403668, 1060807336, 2519417423, 5038834846, 10077669692, 20155339384]

約数ペア:

[(1, 20155339384), (2, 10077669692), (4, 5038834846), (8, 2519417423), (19, 1060807336), (38, 530403668), (76, 265201834), (152, 132600917), (331, 60892264), (662, 30446132), (1324, 15223066), (2648, 7611533), (6289, 3204856), (12578, 1602428), (25156, 801214), (50312, 400607)]