20719172

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{379}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 37027200

約数和(自身を除く): 16308028

約数列:

[1, 2, 4, 79, 158, 173, 316, 346, 379, 692, 758, 1516, 13667, 27334, 29941, 54668, 59882, 65567, 119764, 131134, 262268, 5179793, 10359586, 20719172]

約数ペア:

[(1, 20719172), (2, 10359586), (4, 5179793), (79, 262268), (158, 131134), (173, 119764), (316, 65567), (346, 59882), (379, 54668), (692, 29941), (758, 27334), (1516, 13667)]