20609644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{467}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 21847316

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 59, 68, 118, 187, 236, 374, 467, 649, 748, 934, 1003, 1298, 1868, 2006, 2596, 4012, 5137, 7939, 10274, 11033, 15878, 20548, 22066, 27553, 31756, 44132, 55106, 87329, 110212, 174658, 303083, 349316, 468401, 606166, 936802, 1212332, 1873604, 5152411, 10304822, 20609644]

約数ペア:

[(1, 20609644), (2, 10304822), (4, 5152411), (11, 1873604), (17, 1212332), (22, 936802), (34, 606166), (44, 468401), (59, 349316), (68, 303083), (118, 174658), (187, 110212), (236, 87329), (374, 55106), (467, 44132), (649, 31756), (748, 27553), (934, 22066), (1003, 20548), (1298, 15878), (1868, 11033), (2006, 10274), (2596, 7939), (4012, 5137)]