20189002375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{22567}}^1$

素因数の和:23020

約数の個数: 32

約数和(自身を含む): 26742538368

約数和(自身を除く): 6553535993

約数列:

[1, 5, 17, 25, 85, 125, 421, 425, 2105, 2125, 7157, 10525, 22567, 35785, 52625, 112835, 178925, 383639, 564175, 894625, 1918195, 2820875, 9500707, 9590975, 47503535, 47954875, 161512019, 237517675, 807560095, 1187588375, 4037800475, 20189002375]

約数ペア:

[(1, 20189002375), (5, 4037800475), (17, 1187588375), (25, 807560095), (85, 237517675), (125, 161512019), (421, 47954875), (425, 47503535), (2105, 9590975), (2125, 9500707), (7157, 2820875), (10525, 1918195), (22567, 894625), (35785, 564175), (52625, 383639), (112835, 178925)]