20147950

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{7603}}^1$

素因数の和:7668

約数の個数: 24

約数和(自身を含む): 38187288

約数和(自身を除く): 18039338

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650, 7603, 15206, 38015, 76030, 190075, 380150, 402959, 805918, 2014795, 4029590, 10073975, 20147950]

約数ペア:

[(1, 20147950), (2, 10073975), (5, 4029590), (10, 2014795), (25, 805918), (50, 402959), (53, 380150), (106, 190075), (265, 76030), (530, 38015), (1325, 15206), (2650, 7603)]