201689660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{245963}}^1$

素因数の和:246013

約数の個数: 24

約数和(自身を含む): 433880496

約数和(自身を除く): 232190836

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 245963, 491926, 983852, 1229815, 2459630, 4919260, 10084483, 20168966, 40337932, 50422415, 100844830, 201689660]

約数ペア:

[(1, 201689660), (2, 100844830), (4, 50422415), (5, 40337932), (10, 20168966), (20, 10084483), (41, 4919260), (82, 2459630), (164, 1229815), (205, 983852), (410, 491926), (820, 245963)]