201545420

素因数分解:

$2^2\times 5^1\times {\mathrm{1193}}^1\times {\mathrm{8447}}^1$

素因数の和:9649

約数の個数: 24

約数和(自身を含む): 423650304

約数和(自身を除く): 222104884

約数列:

[1, 2, 4, 5, 10, 20, 1193, 2386, 4772, 5965, 8447, 11930, 16894, 23860, 33788, 42235, 84470, 168940, 10077271, 20154542, 40309084, 50386355, 100772710, 201545420]

約数ペア:

[(1, 201545420), (2, 100772710), (4, 50386355), (5, 40309084), (10, 20154542), (20, 10077271), (1193, 168940), (2386, 84470), (4772, 42235), (5965, 33788), (8447, 23860), (11930, 16894)]