20158550

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{7607}}^1$

素因数の和:7672

約数の個数: 24

約数和(自身を含む): 38207376

約数和(自身を除く): 18048826

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650, 7607, 15214, 38035, 76070, 190175, 380350, 403171, 806342, 2015855, 4031710, 10079275, 20158550]

約数ペア:

[(1, 20158550), (2, 10079275), (5, 4031710), (10, 2015855), (25, 806342), (50, 403171), (53, 380350), (106, 190175), (265, 76070), (530, 38035), (1325, 15214), (2650, 7607)]