20277990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{967}}^1$

素因数の和:1213

約数の個数: 48

約数和(自身を含む): 53003808

約数和(自身を除く): 32725818

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 233, 466, 699, 967, 1165, 1398, 1934, 2097, 2330, 2901, 3495, 4194, 4835, 5802, 6990, 8703, 9670, 10485, 14505, 17406, 20970, 29010, 43515, 87030, 225311, 450622, 675933, 1126555, 1351866, 2027799, 2253110, 3379665, 4055598, 6759330, 10138995, 20277990]

約数ペア:

[(1, 20277990), (2, 10138995), (3, 6759330), (5, 4055598), (6, 3379665), (9, 2253110), (10, 2027799), (15, 1351866), (18, 1126555), (30, 675933), (45, 450622), (90, 225311), (233, 87030), (466, 43515), (699, 29010), (967, 20970), (1165, 17406), (1398, 14505), (1934, 10485), (2097, 9670), (2330, 8703), (2901, 6990), (3495, 5802), (4194, 4835)]