201464020

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{51133}}^1$

素因数の和:51339

約数の個数: 24

約数和(自身を含む): 425230344

約数和(自身を除く): 223766324

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 51133, 102266, 204532, 255665, 511330, 1022660, 10073201, 20146402, 40292804, 50366005, 100732010, 201464020]

約数ペア:

[(1, 201464020), (2, 100732010), (4, 50366005), (5, 40292804), (10, 20146402), (20, 10073201), (197, 1022660), (394, 511330), (788, 255665), (985, 204532), (1970, 102266), (3940, 51133)]