20925574

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{8219}}^1$

素因数の和:8307

約数の個数: 16

約数和(自身を含む): 33537600

約数和(自身を除く): 12612026

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 8219, 16438, 156161, 312322, 550673, 1101346, 10462787, 20925574]

約数ペア:

[(1, 20925574), (2, 10462787), (19, 1101346), (38, 550673), (67, 312322), (134, 156161), (1273, 16438), (2546, 8219)]