20551536

素因数分解:

$2^4\times 3^3\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:551

約数の個数: 80

約数和(自身を含む): 59653920

約数和(自身を除く): 39102384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 113, 144, 216, 226, 339, 421, 432, 452, 678, 842, 904, 1017, 1263, 1356, 1684, 1808, 2034, 2526, 2712, 3051, 3368, 3789, 4068, 5052, 5424, 6102, 6736, 7578, 8136, 10104, 11367, 12204, 15156, 16272, 20208, 22734, 24408, 30312, 45468, 47573, 48816, 60624, 90936, 95146, 142719, 181872, 190292, 285438, 380584, 428157, 570876, 761168, 856314, 1141752, 1284471, 1712628, 2283504, 2568942, 3425256, 5137884, 6850512, 10275768, 20551536]

約数ペア:

[(1, 20551536), (2, 10275768), (3, 6850512), (4, 5137884), (6, 3425256), (8, 2568942), (9, 2283504), (12, 1712628), (16, 1284471), (18, 1141752), (24, 856314), (27, 761168), (36, 570876), (48, 428157), (54, 380584), (72, 285438), (108, 190292), (113, 181872), (144, 142719), (216, 95146), (226, 90936), (339, 60624), (421, 48816), (432, 47573), (452, 45468), (678, 30312), (842, 24408), (904, 22734), (1017, 20208), (1263, 16272), (1356, 15156), (1684, 12204), (1808, 11367), (2034, 10104), (2526, 8136), (2712, 7578), (3051, 6736), (3368, 6102), (3789, 5424), (4068, 5052)]