20574025

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 26409024

約数和(自身を除く): 5834999

約数列:

[1, 5, 25, 67, 71, 173, 335, 355, 865, 1675, 1775, 4325, 4757, 11591, 12283, 23785, 57955, 61415, 118925, 289775, 307075, 822961, 4114805, 20574025]

約数ペア:

[(1, 20574025), (5, 4114805), (25, 822961), (67, 307075), (71, 289775), (173, 118925), (335, 61415), (355, 57955), (865, 23785), (1675, 12283), (1775, 11591), (4325, 4757)]