201921340

素因数分解:

$2^2\times 5^1\times {\mathrm{2393}}^1\times {\mathrm{4219}}^1$

素因数の和:6621

約数の個数: 24

約数和(自身を含む): 424312560

約数和(自身を除く): 222391220

約数列:

[1, 2, 4, 5, 10, 20, 2393, 4219, 4786, 8438, 9572, 11965, 16876, 21095, 23930, 42190, 47860, 84380, 10096067, 20192134, 40384268, 50480335, 100960670, 201921340]

約数ペア:

[(1, 201921340), (2, 100960670), (4, 50480335), (5, 40384268), (10, 20192134), (20, 10096067), (2393, 84380), (4219, 47860), (4786, 42190), (8438, 23930), (9572, 21095), (11965, 16876)]