20528030061

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{384701}}^1$

素因数の和:384743

約数の個数: 54

約数和(自身を含む): 37913536206

約数和(自身を除く): 17385506145

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 121, 147, 231, 363, 441, 539, 693, 847, 1089, 1617, 2541, 4851, 5929, 7623, 17787, 53361, 384701, 1154103, 2692907, 3462309, 4231711, 8078721, 12695133, 18850349, 24236163, 29621977, 38085399, 46548821, 56551047, 88865931, 139646463, 169653141, 207353839, 266597793, 325841747, 418939389, 622061517, 977525241, 1866184551, 2280892229, 2932575723, 6842676687, 20528030061]

約数ペア:

[(1, 20528030061), (3, 6842676687), (7, 2932575723), (9, 2280892229), (11, 1866184551), (21, 977525241), (33, 622061517), (49, 418939389), (63, 325841747), (77, 266597793), (99, 207353839), (121, 169653141), (147, 139646463), (231, 88865931), (363, 56551047), (441, 46548821), (539, 38085399), (693, 29621977), (847, 24236163), (1089, 18850349), (1617, 12695133), (2541, 8078721), (4851, 4231711), (5929, 3462309), (7623, 2692907), (17787, 1154103), (53361, 384701)]