20734340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1193}}^1$

素因数の和:1292

約数の個数: 48

約数和(自身を含む): 48142080

約数和(自身を除く): 27407740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1193, 1580, 1738, 2386, 3476, 4345, 4772, 5965, 8690, 11930, 13123, 17380, 23860, 26246, 52492, 65615, 94247, 131230, 188494, 262460, 376988, 471235, 942470, 1036717, 1884940, 2073434, 4146868, 5183585, 10367170, 20734340]

約数ペア:

[(1, 20734340), (2, 10367170), (4, 5183585), (5, 4146868), (10, 2073434), (11, 1884940), (20, 1036717), (22, 942470), (44, 471235), (55, 376988), (79, 262460), (110, 188494), (158, 131230), (220, 94247), (316, 65615), (395, 52492), (790, 26246), (869, 23860), (1193, 17380), (1580, 13123), (1738, 11930), (2386, 8690), (3476, 5965), (4345, 4772)]